In-Space Propulsion Systems Roadmap
Technology Area 02 [online]. National Aeronautics and Space Administration, 4.2012, [cit. 2019-06-11]. Dostupné online. Archivované 2020-07-20 z originálu.
ntrs.nasa.gov
Overview of the Development and Mission Application of the Advanced Electric Propulsion System (AEPS). (PDF). Daniel A. Herman, Todd A. Tofil, Walter Santiago, Hani Kamhawi, James E. Polk, John S. Snyder, Richard R. Hofer, Frank Q. Picha, Jerry Jackson and May Allen. NASA; NASA/TM—2018-219761. 35th International Electric Propulsion Conference. Atlanta, Georgia, October 8 – 12, 2017. Accessed: 27 July 2018.
Electric Interorbital [online]. www.permanent.com, [cit. 2019-06-11]. Dostupné online. Archivované 2019-01-22 z originálu.
In-Space Propulsion Systems Roadmap
Technology Area 02 [online]. National Aeronautics and Space Administration, 4.2012, [cit. 2019-06-11]. Dostupné online. Archivované 2020-07-20 z originálu.