Conceptual design for a food production, water and waste processing, and gas regeneration module [electronic resource] : semi-annual progress report, grant no. NAG 9-161 / prepared by Space Research Center and the Regenerative Concepts Team, Texas A&M University [and] Texas A&M Research Foundation ; team leader, Oran W. Nicks.
College Station, Tex. : Texas A&M University ; Houston, Tex. : NASA Johnson Space Center,