1. R. G. Jahn, Electric propulsion. Encyclopedia of Science and Technology. Academic Press, New York. In press.
2. Application of solar electric propulsion to future planetary missions;Sauer,1987
3. TAU—a mission to a thousand astronomical units;Nock,1987
4. Electric propulsion for orbit transfer—a NAVSTAR case study (has electric propulsion's time come?);Sponable,1987
5. Electric propulsion for constellation deployment and spacecraft maneuvering;Deiniger,1988