1. For a reasonably sober description of the early experiments, see R. J. Naumann and H. W. Herring, Materials Processing in Space: Early Experiments (Washington, DC: NASA, 1980), NASA SP-443.
2. G. Harry Stine’s book The Third Industrial Revolution (New York: Putnam, 1975) is a fascinating description of the possibilities in this area, but he fails to warn the reader that many of the possibilities he talks about will not work out for one reason or another.
3. Paul Ritt, in “Space Industrialization: the Growing Community,” presented at the 1983 meeting of the American Association for the Advancement of Science. A tape of the meeting is available as tape 83AAAS-49 and -50 from Mobiltape Co., 1741 Gardena Ave., Glendale, CA 91204.
4. James J. Haggerty, Spinoff 1984 (Washington, DC: NASA, 1984), 52–55; available from the U.S. Government Printing Office.
5. Alcestis Oberg, Spacefarers of the ’80s and ’90s (New York: Columbia University Press, 1985), 148.