1. O'Neill, Gerard K.: The Colonization of Space. Physics Today, vol. 27, no. 9, Sept. 1974, pp. 32-40.
  2. O'Neill, Gerard K.: Space Colonies and Energy Supply to the Earth. Science, vol. 190, no. 4218, Dec. 5, 1975, pp. 943-947.
  3. O'Neill, G. K.: Engineering a Space Manufacturing Facility. Astronautics and Aeronautics, Oct. 1976, pp. 20-28, 36 (Summary); Space-Based Manufacturing from Nonterrestrial Materials, vol. 57, Progress in Astronautics and Aeronautics, AIAA, New York, 1977.
  4. O'Neill, Gerard K.: The Low (Profile) Road to Space Manufacturing. Astronautics and Aeronautics, 1977, vol. 16, no. 3, March 1978, pp. 24-32.
  5. O'Leary, B.: Mining the Apollo and Amor Asteroids. Science, vol. 197, no. 4301, July 22, 1977, pp. 363-366.
  6. O'Leary, B.: Mass Driver Retrievals of EarthApproaching Asteroids. AIAA Paper 77-528, 1977.
  7. Bender, David F.; Dunbar, R. Scott; and Ross, David J.: Round-Trip Missions to Low-Delta-V Asteroids and Implications for Material Retrieval. Space Resources and Space Settlements, NASA SP-428, 1979, pp. 161-172.
  8. Gaffey, Michael J.; Helin, Eleanor F.; and O'Leary, Brian: An Assessment of Near-Earth Asteroid Resources. Space Resources and Space Settlements, NASA SP-428, 1979, pp. 191-204.
  9. Vayk, J. P.; Engel, J. H.; and Shettler, J. A.: Habitat and Logistic Support Requirements for the Initiation of a Space Manufacturing Enterprise. Space Resources and Space Settlements, NASA SP428, 1979, pp. 61-83.

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