1. Discovery of evidence of past life on Mars : hearing before the Subcommittee on Science, Technology, and Space of the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Fourth Congress, second session, September 25, 1996 Author/Creator: United States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Science, Technology, and Space Publication/Creation: For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office Resource Type: Book Access & Availability: Loading