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Showing 1 - 2 results of 2 for search '"closed ecological systems (space environment)"', query time: 0.20s Refine Results
  1. 1
    Conceptual design for a food production, water and waste processing, and gas regeneration module : annual report, grant no. NAG 9-161 /
    Published 1987
    Subjects: “...Closed ecological systems (Space environment)...”
    Book
  2. 2
    Progress report, regenerative life support system research during the period September 1987 - March 1988 : NASA grant no. NAG 9-253 /
    Published 1988
    Subjects: “...Closed ecological systems (Space environment)...”
    Book
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