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Thomas R. Meyer, Editor | [S.l.] : American Astronautical Society | Science and technology series | 1997Robert M. Zubrin, Editor ; American Astronautical Society, Editor ; British Interplanetary Society, Editor | [S.l.] : American Astronautical Society | Science and technology series | 1997John M. Logsdon, Editor ; Bridget R. Ziegelaar, Editor ; George Washington University, Editor ; Anne Marie Burns, Editor ; Space Policy Institute, Editor ; Life in the universe : What can the martian fossil tell us? (1996 : Washington, DC)., Editor | [S.l.] : George Washington University | 1997