References
A.S., K., & E.E., S. (2007). Development Nuclear Gas Core Reactor in Russia. Moscow Institute of Physics and Technology. Moscow: American Institute of Aeronautics and Astronautics. Retrieved from http://pdf.aiaa.org/preview/CDReadyMASM07_1064/PV2007_35.pdf
Ad Astra Rocket Company. (2012). VASIMR® system. Retrieved from Image Gallery: http://www.adastrarocket.com/HiResImagesForPublicRelease/VASIMR-systemHiRes.jpg
Ad Astra Rocket Company. (n.d.). Technology. Retrieved from Ad Astra Rocket Company: http://www.adastrarocket.com/aarc/Technology
Bering, E. A., Squire, J. P., Chang-Díaz, F. R., Glover, T. W., Carter, M. D., Cassady, L. D., . . . Longmier, B. W. (2008). VASIMR Performance Measurements at Powers Exceeding 50 kW and Lunar Robotic Mission Applications. Akiu/Sendai: International Interdisciplinary Symposium on Gaseous and Liquid Plasmas. Retrieved from http://www.adastrarocket.com/ISGLP_JPSquire2008.pdf
Bussard, R. W. (1958). Concepts for Future Nuclear Rocket Propulsion. Los Alamos Scientific Laboratory. Los Alamos: Jet Propulsion. Retrieved from http://123seminarsonly.com/Seminar-Reports/020/50419394-Future-Nuclear-Rocket-Propulsion.pdf
Carter, M. D., Chavers, D. G., Diaz, F. R., Glover, T. W., Squire, J. P., & Jacobson, V. P. (2005). Principal VASIMR Results and Present Objectives. Albuquerque: Space Technology and Applications International Forum. Retrieved from http://www.adastrarocket.com/TimSTAIF2005.pdf
Chakrabarti, S., Dundore, B., Gaidos, G., Lewis, R., & Smith, G. (n.d.). Antiproton-Catalyzed Microfission/Fusion Propulsion Systems for Exploration of the Outer Solar System and Beyond. University Park: Pennsylvania State University. Retrieved from https://www.engr.psu.edu/antimatter/Papers/ICAN.pdf
Chapline, G. F., Dickson, P. W., & Schnitzler, B. G. (n.d.). Fission Fragment Rockets - A Potential Breakthrough. Livermore: United States Government. Retrieved from http://www.osti.gov/bridge/servlets/purl/6868318/6868318.pdf
Clark, R. A., & Sheldon, R. B. (2005). Dusty Plasma Based Fission Fragment Nuclear Reactor. Tuscon: American Institute of Aeronautics and Astronautics. Retrieved from http://www.rbsp.info/rbs/RbS/PDF/aiaa05.pdf
CommiM. (2007, September 04). The sketch of Nuclear-thermal-rocket written in English. Recreation in SVG. Retrieved from http://en.wikipedia.org/wiki/File:Nuclear_thermal_rocket_en.svg
Dalley, C. L., Friedman, B. I., Martinez, J. S., Allen, E. W., & Jortner, D. (1962). Patent No. 3,315,471. United States of America. Retrieved from http://www.google.com/patents?id=pc5kAAAAEBAJ&printsec=abstract&zoom=4#v=onepage&q&f=false
Duckysmokton. (2007, January 23). Dusty plasma bed reactor. Retrieved from https://en.wikipedia.org/wiki/File:Dusty_plasma_bed_reactor.svg
Duckysmokton. (2007, January 20). Fission fragment propulsion. Retrieved from http://en.wikipedia.org/wiki/File:Fission_fragment_propulsion.svg
Edelman, A. (2012, August 31). Introduction. Retrieved from Parallel Computing: http://beowulf.csail.mit.edu/~foxj/thruster.jpg
Emsellem, G. D. (n.d.). Electrodeless Plasma Thruster Design. Wilmington: American Institute of Aeronautics and Astronautics. Retrieved from http://elwing.biz/files/JPC05-article.pdf
European Space Agency. (2004, June 15). Electric Versus Chemical Propulsion. Retrieved from SMART - 1: http://sci.esa.int/science-e/www/object/index.cfm?fobjectid=34201&fbodylongid=1535
European Space Agency. (2004, June 15). Hall Effect Thrusters. Retrieved from SMART - 1: http://sci.esa.int/science-e/www/object/index.cfm?fobjectid=34201&fbodylongid=1538
European Space Agency. (2004, June 15). Methods of Electric Propulsion. Retrieved from SMART - 1: http://sci.esa.int/science-e/www/object/index.cfm?fobjectid=34201&fbodylongid=1537
Finnish Meteorological Institute. (2010, December 09). EU Project to Build Electric Solar Wind Sail. Retrieved from PHYS . ORG: http://phys.org/news/2010-12-eu-electric-solar.html
Goodman, J. (1997, April 10). Re: Why Can't We Travel Faster in Space? Retrieved from MadSci Network: Astonomy: http://www.madsci.org/posts/archives/may97/860795535.As.r.html
Hallas, T. (2001). ArcMW hallas alt. Retrieved from Astronomy Picture of the Day.
Jahn, R. G., & Choueiri, E. Y. (2002). Electric Propulsion. Princeton University. Academic Press. Retrieved from http://alfven.princeton.edu/papers/Encyclopedia.pdf
Janhunen, P. (2010). Electric Solar Wind Sail Spacecraft Propulsion. Retrieved from Electric Solar Wind Sail (E-sail): http://www.electric-sailing.fi/
Jordan, I. J. (2000). Electric Propulsion: Which One For My Spacecraft? Whiting School of Engineering. John Hopkins University. Retrieved from https://www.stsci.edu/~jordan/other/electric_propulsion_3.pdf
Kammash, T., & Tang, R. (2005). Electrodeless Plasma Thruster with Self-Generated Electric Field. University of Michigan. Ann Arbor: American Institute of Aeronautics and Astronautics. Retrieved from http://deepblue.lib.umich.edu/bitstream/handle/2027.42/76795/AIAA-2005-4121-393.pdf?sequence=1
Kircher, S. (n.d.). Antimatter: Fission/Fusion Drive. Retrieved from http://ffden-2.phys.uaf.edu/213.web.stuff/Scott%20Kircher/fissionfusion.html
Klien, A. (2012, March 26). Nuclear Pulse Propulsion. Retrieved from Standford University: http://large.stanford.edu/courses/2012/ph241/klein2/
LaPointe, M. R. (2001, June 21). Self-field MPD thruster. Retrieved from High-Power Magnetoplasmadynamic Thruster Being Developed: http://www.grc.nasa.gov/WWW/RT/RT2000/images/5430lapointe-f1.jpg
LaPointe, M. R., & Mikellides, P. G. (2002, June). High-Power Electromagnetic Thruster Being Developed. Retrieved from Glenn Research Center: https://www.grc.nasa.gov/WWW/RT/RT2001/5000/5430lapointe.html
LeMoyne, R. (2006). Fundamental Analysis of Radioisotope Propulsion. Running Springs: American Institute of Aeronautics and Astronautics, Inc. Retrieved from http://pdf.aiaa.org/preview/CDReadyMSPACE06_1393/PV2006_7272.pdf
Liu, T. M., Drenkow, B. D., Musinski, L. D., Gallimore, A. D., Gilchrist, B. E., Mirecki-Millunchick, J., . . . Muldoon, A. M. (2008). Developmental Progress of the Nanoparticle Field Extraction Thruster. University of Michigan. Hartford: American Institute of Aeronautics and Astronautics. Retrieved from http://www.umich.edu/~peplweb/pdf/AIAA-2008-5096.pdf
Liu, T. M., Keidar, M., Musinski, L. D., Gallimore, A. D., & Gilchrist, B. E. (n.d.). Theoretical Aspects of Nanoparticle Electric Propulsion. University of Michigan. Ann Arbor: American Institute of Aeronautics and Astronautics.
Lucas, P. (2005). MPD diagram. Retrieved from Plasma Rockets: http://orbitalvector.com/Deep%20Space%20Propulsion/Plasma%20Rockets/DSP_Image_MPDdiagram.jpg
McNutt, R. L. (1999). Phase I Final Report NASA Institute for Advanced Concepts. Laurel: Johns Hopkins University. Retrieved from http://www.niac.usra.edu/files/studies/final_report/76McNutt.pdf
Mirecki, A. (2011, March 20). IKAROS solar sail. Retrieved from http://en.wikipedia.org/wiki/File:IKAROS_solar_sail.jpg
Mysid. (2012, July 18). Electrostatic ion thruster. Retrieved from https://en.wikipedia.org/wiki/File:Electrostatic_ion_thruster-en.svg
NASA. (1970, January 29). Drawing of a NERVA engine. Retrieved from Great Images in NASA: http://grin.hq.nasa.gov/IMAGES/SMALL/GPN-2002-000144.jpg
NASA. (2003). Carinagigazoom eso big. Retrieved from Astronomy Picture of the Day.
NASA. (2003, July 1). Vasmir. Retrieved from http://spaceflight.nasa.gov/shuttle/support/researching/aspl/images/vasimr.jpg
NASA. (2004, November 21). Fact Sheet - Ion Propulsion. Retrieved from Glenn Research Center: http://www.nasa.gov/centers/glenn/about/fs21grc.html
NASA. (2005). Nuclear gas core open cycle rocket engine diagram. Retrieved from http://www.grc.nasa.gov/WWW/K-12/DLN/descriptions/presentations/Advanced%20Spacecraft%20Propulsion%20Concepts%20AIAA%20NAM%2002-2005%20(2.0).ppt
NASA. (2011, January 24). Earth sail. Retrieved from Solar Sail Stunner: http://www.nasa.gov/images/content/475897main_080421-Earth%2BSail_3023x2006.jpg
NASA. (2011, December 16). Solar Sail Demonstration (The Sunjammer Project). Retrieved from NASA: http://www.nasa.gov/mission_pages/tdm/solarsail/solarsail_overview.html
Pancotti, A. P., Slough, J. T., Kirtley, D. E., Pfaff, M., Pilh, C., & Votroubek, G. (n.d.). Mission Design Architecture for the Fusion Driven Rocket. MSNW LLC. Redmond: American Institute of Aeronautics and Astronautics. Retrieved from http://msnwllc.com/Papers/FDR_JPC_2012.pdf
Plihon, N., Chabert, P., & Raimbault, J.-L. (n.d.). Helicon Double Layer Thruster Concept for High Power NEP Missions. European Space Administration. Retrieved from https://perso.ens-lyon.fr/nicolas.plihon/Publis/ARIADNAHDLT.pdf
Pottinger, S., Lappas, V., Charles, C., & Boswell, R. (n.d.). Performance Characterisation of a Helicon Double Layer Thruster using Direct Thrust Measurements. Retrieved from http://repository.peerproject.eu:8080/jspui/bitstream/123456789/17567/1/PEER_stage2_10.1088%252F0022-3727%252F44%252F23%252F235201.pdf
Prado, M. E. (n.d.). Electric Propulsion for Inter-Orbital Vehicles. Retrieved from PERMANENT: http://www.permanent.com/space-transportation-electric.html#how-russ
Seitzman, J. M. (2006). Hydrazine Resistojet. Georgia Tech College of Engineering. Retrieved from http://soliton.ae.gatech.edu/people/jseitzma/classes/ae6450/electrothermal_thrusters.pdf
Slough, J., & Kirtley, D. (n.d.). Nuclear Propulsion based on Inductively Driven Liner Compression of Fusion Plasmoids. University of Washington. Seattle: American Institute of Aeronautics and Astronautics. Retrieved from http://msnwllc.com/Papers/FDR_AIAA_2011.pdf
United Nations. (1963). Treaty Banning Nuclear Weapon Tests in the Atmosphere, in Outer Space and under Water. Moscow: United Nations. Retrieved from http://www.un.org/disarmament/WMD/Nuclear/pdf/Partial_Ban_Treaty.pdf
University of Washington. (2013). Spacecraft mars. Retrieved from http://www.washington.edu/news/files/2013/04/spacecraft_mars.jpg
Velidi, G., Guven, U., & Dhar, A. (2012). Gas Core Reactor as Technological Breakthrough for Long Range Space Missions. Washington, DC: International Astronautical Federation. Retrieved from http://www.academia.edu/1784468/Gas_Core_Reactor_as_a_Technological_Breakthrough_for_Long_Range_Space_Missions
Ward, D. (2000). Electric (Ion) Propulsion. Retrieved from Electric (Ion): https://eo.ucar.edu/staff/dward/sao/fit/electric.htm
Winter, C. P. (2006, June 10). Nuclear Rockets. Retrieved from To Open The Sky: http://www.chris-winter.com/CATS_Quest/Nuc_Rkt.html
Zickefoose, C., Rotter, J., & Morgan, B. (2009, March 3). Lorentz meets newton. Retrieved from Dayton-Cincinnati AIAA: http://www.aiaa-daycin.org/daycin_old/sites/default/files/images/20090303_AiS_LorentzMeetsNewton.jpg
Zubrin, R. (1991). Nuclear Salt Water Rockets: High Thrust at 10,000 Sec Isp. Denver: Journal of The British Interplanetary Society. Retrieved from http://path-2.narod.ru/design/base_e/nswr.pdf
Zubrin, R., & Martin, A. (1999). NIAC Study of the Magnetic Sail. Lakewood: Pioneer Astronautics. Retrieved from http://www.niac.usra.edu/files/library/meetings/fellows/nov99/320Zubrin.pdf
Ad Astra Rocket Company. (2012). VASIMR® system. Retrieved from Image Gallery: http://www.adastrarocket.com/HiResImagesForPublicRelease/VASIMR-systemHiRes.jpg
Ad Astra Rocket Company. (n.d.). Technology. Retrieved from Ad Astra Rocket Company: http://www.adastrarocket.com/aarc/Technology
Bering, E. A., Squire, J. P., Chang-Díaz, F. R., Glover, T. W., Carter, M. D., Cassady, L. D., . . . Longmier, B. W. (2008). VASIMR Performance Measurements at Powers Exceeding 50 kW and Lunar Robotic Mission Applications. Akiu/Sendai: International Interdisciplinary Symposium on Gaseous and Liquid Plasmas. Retrieved from http://www.adastrarocket.com/ISGLP_JPSquire2008.pdf
Bussard, R. W. (1958). Concepts for Future Nuclear Rocket Propulsion. Los Alamos Scientific Laboratory. Los Alamos: Jet Propulsion. Retrieved from http://123seminarsonly.com/Seminar-Reports/020/50419394-Future-Nuclear-Rocket-Propulsion.pdf
Carter, M. D., Chavers, D. G., Diaz, F. R., Glover, T. W., Squire, J. P., & Jacobson, V. P. (2005). Principal VASIMR Results and Present Objectives. Albuquerque: Space Technology and Applications International Forum. Retrieved from http://www.adastrarocket.com/TimSTAIF2005.pdf
Chakrabarti, S., Dundore, B., Gaidos, G., Lewis, R., & Smith, G. (n.d.). Antiproton-Catalyzed Microfission/Fusion Propulsion Systems for Exploration of the Outer Solar System and Beyond. University Park: Pennsylvania State University. Retrieved from https://www.engr.psu.edu/antimatter/Papers/ICAN.pdf
Chapline, G. F., Dickson, P. W., & Schnitzler, B. G. (n.d.). Fission Fragment Rockets - A Potential Breakthrough. Livermore: United States Government. Retrieved from http://www.osti.gov/bridge/servlets/purl/6868318/6868318.pdf
Clark, R. A., & Sheldon, R. B. (2005). Dusty Plasma Based Fission Fragment Nuclear Reactor. Tuscon: American Institute of Aeronautics and Astronautics. Retrieved from http://www.rbsp.info/rbs/RbS/PDF/aiaa05.pdf
CommiM. (2007, September 04). The sketch of Nuclear-thermal-rocket written in English. Recreation in SVG. Retrieved from http://en.wikipedia.org/wiki/File:Nuclear_thermal_rocket_en.svg
Dalley, C. L., Friedman, B. I., Martinez, J. S., Allen, E. W., & Jortner, D. (1962). Patent No. 3,315,471. United States of America. Retrieved from http://www.google.com/patents?id=pc5kAAAAEBAJ&printsec=abstract&zoom=4#v=onepage&q&f=false
Duckysmokton. (2007, January 23). Dusty plasma bed reactor. Retrieved from https://en.wikipedia.org/wiki/File:Dusty_plasma_bed_reactor.svg
Duckysmokton. (2007, January 20). Fission fragment propulsion. Retrieved from http://en.wikipedia.org/wiki/File:Fission_fragment_propulsion.svg
Edelman, A. (2012, August 31). Introduction. Retrieved from Parallel Computing: http://beowulf.csail.mit.edu/~foxj/thruster.jpg
Emsellem, G. D. (n.d.). Electrodeless Plasma Thruster Design. Wilmington: American Institute of Aeronautics and Astronautics. Retrieved from http://elwing.biz/files/JPC05-article.pdf
European Space Agency. (2004, June 15). Electric Versus Chemical Propulsion. Retrieved from SMART - 1: http://sci.esa.int/science-e/www/object/index.cfm?fobjectid=34201&fbodylongid=1535
European Space Agency. (2004, June 15). Hall Effect Thrusters. Retrieved from SMART - 1: http://sci.esa.int/science-e/www/object/index.cfm?fobjectid=34201&fbodylongid=1538
European Space Agency. (2004, June 15). Methods of Electric Propulsion. Retrieved from SMART - 1: http://sci.esa.int/science-e/www/object/index.cfm?fobjectid=34201&fbodylongid=1537
Finnish Meteorological Institute. (2010, December 09). EU Project to Build Electric Solar Wind Sail. Retrieved from PHYS . ORG: http://phys.org/news/2010-12-eu-electric-solar.html
Goodman, J. (1997, April 10). Re: Why Can't We Travel Faster in Space? Retrieved from MadSci Network: Astonomy: http://www.madsci.org/posts/archives/may97/860795535.As.r.html
Hallas, T. (2001). ArcMW hallas alt. Retrieved from Astronomy Picture of the Day.
Jahn, R. G., & Choueiri, E. Y. (2002). Electric Propulsion. Princeton University. Academic Press. Retrieved from http://alfven.princeton.edu/papers/Encyclopedia.pdf
Janhunen, P. (2010). Electric Solar Wind Sail Spacecraft Propulsion. Retrieved from Electric Solar Wind Sail (E-sail): http://www.electric-sailing.fi/
Jordan, I. J. (2000). Electric Propulsion: Which One For My Spacecraft? Whiting School of Engineering. John Hopkins University. Retrieved from https://www.stsci.edu/~jordan/other/electric_propulsion_3.pdf
Kammash, T., & Tang, R. (2005). Electrodeless Plasma Thruster with Self-Generated Electric Field. University of Michigan. Ann Arbor: American Institute of Aeronautics and Astronautics. Retrieved from http://deepblue.lib.umich.edu/bitstream/handle/2027.42/76795/AIAA-2005-4121-393.pdf?sequence=1
Kircher, S. (n.d.). Antimatter: Fission/Fusion Drive. Retrieved from http://ffden-2.phys.uaf.edu/213.web.stuff/Scott%20Kircher/fissionfusion.html
Klien, A. (2012, March 26). Nuclear Pulse Propulsion. Retrieved from Standford University: http://large.stanford.edu/courses/2012/ph241/klein2/
LaPointe, M. R. (2001, June 21). Self-field MPD thruster. Retrieved from High-Power Magnetoplasmadynamic Thruster Being Developed: http://www.grc.nasa.gov/WWW/RT/RT2000/images/5430lapointe-f1.jpg
LaPointe, M. R., & Mikellides, P. G. (2002, June). High-Power Electromagnetic Thruster Being Developed. Retrieved from Glenn Research Center: https://www.grc.nasa.gov/WWW/RT/RT2001/5000/5430lapointe.html
LeMoyne, R. (2006). Fundamental Analysis of Radioisotope Propulsion. Running Springs: American Institute of Aeronautics and Astronautics, Inc. Retrieved from http://pdf.aiaa.org/preview/CDReadyMSPACE06_1393/PV2006_7272.pdf
Liu, T. M., Drenkow, B. D., Musinski, L. D., Gallimore, A. D., Gilchrist, B. E., Mirecki-Millunchick, J., . . . Muldoon, A. M. (2008). Developmental Progress of the Nanoparticle Field Extraction Thruster. University of Michigan. Hartford: American Institute of Aeronautics and Astronautics. Retrieved from http://www.umich.edu/~peplweb/pdf/AIAA-2008-5096.pdf
Liu, T. M., Keidar, M., Musinski, L. D., Gallimore, A. D., & Gilchrist, B. E. (n.d.). Theoretical Aspects of Nanoparticle Electric Propulsion. University of Michigan. Ann Arbor: American Institute of Aeronautics and Astronautics.
Lucas, P. (2005). MPD diagram. Retrieved from Plasma Rockets: http://orbitalvector.com/Deep%20Space%20Propulsion/Plasma%20Rockets/DSP_Image_MPDdiagram.jpg
McNutt, R. L. (1999). Phase I Final Report NASA Institute for Advanced Concepts. Laurel: Johns Hopkins University. Retrieved from http://www.niac.usra.edu/files/studies/final_report/76McNutt.pdf
Mirecki, A. (2011, March 20). IKAROS solar sail. Retrieved from http://en.wikipedia.org/wiki/File:IKAROS_solar_sail.jpg
Mysid. (2012, July 18). Electrostatic ion thruster. Retrieved from https://en.wikipedia.org/wiki/File:Electrostatic_ion_thruster-en.svg
NASA. (1970, January 29). Drawing of a NERVA engine. Retrieved from Great Images in NASA: http://grin.hq.nasa.gov/IMAGES/SMALL/GPN-2002-000144.jpg
NASA. (2003). Carinagigazoom eso big. Retrieved from Astronomy Picture of the Day.
NASA. (2003, July 1). Vasmir. Retrieved from http://spaceflight.nasa.gov/shuttle/support/researching/aspl/images/vasimr.jpg
NASA. (2004, November 21). Fact Sheet - Ion Propulsion. Retrieved from Glenn Research Center: http://www.nasa.gov/centers/glenn/about/fs21grc.html
NASA. (2005). Nuclear gas core open cycle rocket engine diagram. Retrieved from http://www.grc.nasa.gov/WWW/K-12/DLN/descriptions/presentations/Advanced%20Spacecraft%20Propulsion%20Concepts%20AIAA%20NAM%2002-2005%20(2.0).ppt
NASA. (2011, January 24). Earth sail. Retrieved from Solar Sail Stunner: http://www.nasa.gov/images/content/475897main_080421-Earth%2BSail_3023x2006.jpg
NASA. (2011, December 16). Solar Sail Demonstration (The Sunjammer Project). Retrieved from NASA: http://www.nasa.gov/mission_pages/tdm/solarsail/solarsail_overview.html
Pancotti, A. P., Slough, J. T., Kirtley, D. E., Pfaff, M., Pilh, C., & Votroubek, G. (n.d.). Mission Design Architecture for the Fusion Driven Rocket. MSNW LLC. Redmond: American Institute of Aeronautics and Astronautics. Retrieved from http://msnwllc.com/Papers/FDR_JPC_2012.pdf
Plihon, N., Chabert, P., & Raimbault, J.-L. (n.d.). Helicon Double Layer Thruster Concept for High Power NEP Missions. European Space Administration. Retrieved from https://perso.ens-lyon.fr/nicolas.plihon/Publis/ARIADNAHDLT.pdf
Pottinger, S., Lappas, V., Charles, C., & Boswell, R. (n.d.). Performance Characterisation of a Helicon Double Layer Thruster using Direct Thrust Measurements. Retrieved from http://repository.peerproject.eu:8080/jspui/bitstream/123456789/17567/1/PEER_stage2_10.1088%252F0022-3727%252F44%252F23%252F235201.pdf
Prado, M. E. (n.d.). Electric Propulsion for Inter-Orbital Vehicles. Retrieved from PERMANENT: http://www.permanent.com/space-transportation-electric.html#how-russ
Seitzman, J. M. (2006). Hydrazine Resistojet. Georgia Tech College of Engineering. Retrieved from http://soliton.ae.gatech.edu/people/jseitzma/classes/ae6450/electrothermal_thrusters.pdf
Slough, J., & Kirtley, D. (n.d.). Nuclear Propulsion based on Inductively Driven Liner Compression of Fusion Plasmoids. University of Washington. Seattle: American Institute of Aeronautics and Astronautics. Retrieved from http://msnwllc.com/Papers/FDR_AIAA_2011.pdf
United Nations. (1963). Treaty Banning Nuclear Weapon Tests in the Atmosphere, in Outer Space and under Water. Moscow: United Nations. Retrieved from http://www.un.org/disarmament/WMD/Nuclear/pdf/Partial_Ban_Treaty.pdf
University of Washington. (2013). Spacecraft mars. Retrieved from http://www.washington.edu/news/files/2013/04/spacecraft_mars.jpg
Velidi, G., Guven, U., & Dhar, A. (2012). Gas Core Reactor as Technological Breakthrough for Long Range Space Missions. Washington, DC: International Astronautical Federation. Retrieved from http://www.academia.edu/1784468/Gas_Core_Reactor_as_a_Technological_Breakthrough_for_Long_Range_Space_Missions
Ward, D. (2000). Electric (Ion) Propulsion. Retrieved from Electric (Ion): https://eo.ucar.edu/staff/dward/sao/fit/electric.htm
Winter, C. P. (2006, June 10). Nuclear Rockets. Retrieved from To Open The Sky: http://www.chris-winter.com/CATS_Quest/Nuc_Rkt.html
Zickefoose, C., Rotter, J., & Morgan, B. (2009, March 3). Lorentz meets newton. Retrieved from Dayton-Cincinnati AIAA: http://www.aiaa-daycin.org/daycin_old/sites/default/files/images/20090303_AiS_LorentzMeetsNewton.jpg
Zubrin, R. (1991). Nuclear Salt Water Rockets: High Thrust at 10,000 Sec Isp. Denver: Journal of The British Interplanetary Society. Retrieved from http://path-2.narod.ru/design/base_e/nswr.pdf
Zubrin, R., & Martin, A. (1999). NIAC Study of the Magnetic Sail. Lakewood: Pioneer Astronautics. Retrieved from http://www.niac.usra.edu/files/library/meetings/fellows/nov99/320Zubrin.pdf