1. Comparative analysis of net energy balance of satellite power systems (SPS) and other energy systems;Cirillo,1980
2. Program assessment report statements of findings—satellite power systems concept development and evaluation program;N.N.,1980
3. Space solar power program;N.N.,1992
4. On the life cycle cost and return on investment of a 500 GW global space solar power system;Koelle;Acta Astronautica,1989