29th Annual Harry G. Armstrong Lecture: the human space enterprise in the 21st century.
Nicogossian
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Office of Life and Microgravity Sciences and Applications, Washington, DC.
D000337:Aerospace Medicine / Q000639:trends*; D005101:Expeditions / Q000639:trends*; D005544:Forecasting; D006801:Humans; D013026:Space Flight / Q000639:trends*