People challenges in biospheric systems for long-term habitation in remote areas, space stations, moon, and Mars

John Allen1

  • 1Biosphere Technologies, a Division of Global Ecotechnics Corp., Santa Fe, NM 87575, USA. biospheres@compuserve.com

Life Support & Biosphere Science : International Journal of Earth Space
|May 4, 2002
PubMed

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