太空争夺战
Brophy, John et al. Asteroid Retrieval Feasibility Study'. Keck Institute
for Space Studies, April 2012.
Edwards, Jim. Goldman Sachs: Space--Mining for Platinum Is “More Realistic Than Perceived"’. Business Insider, 6 April 2017.
价值之外的富足
1974 NASA Authorization Hearings, Ninety--third Congress, First Session, on H.R. 4567 (superseded by H.R. 7528)'. US Government Printing Office, 1973.
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fully automated luxury communism