R. A. Freitas

Computer science: Key to a space program renaissance. The 1981 NASA/ASEE summer study on the use of computer science and technology in NASA. Volume 2: Appendices

P. A. Carlson, R. A. Freitas, 1983 .

The search for extraterrestrial artifacts (SETA)

R. A. Freitas, R. Freitas, Robert A. Freitas, 1983 .

Extraterrestrial intelligence in the solar system: resolving the Fermi paradox.

R. A. Freitas, R. Freitas, 1983 .

Authors' Reply to "Comment on 'Nanorobotics Control Design: A Collective Behavior Approach for Medicine'"

R. A. Freitas, A. Cavalcanti, 2005 .