Robert A. Freitas Jr., Sex in SpaceArxivat 2008-12-24 a Wayback Machine., author's commentary on an article originally published in Sexology Today 48 (April 1983), 58–64
Robert A. Freitas Jr., Sex in SpaceArxivat 2008-12-24 a Wayback Machine., author's commentary on an article originally published in Sexology Today 48 (April 1983), 58–64
Sex in Space?, reposted by Bill Ward, July 30, 2001 (this reposting preserves the original text and original posting date, unlike many other repostings)