TY - BOOK ED - ProQuest (Firm) TI - Safe on Mars: precursor measurements necessary to support human operations on the Martian surface T2 - Compass series AV - QB641 .S23 2002 U1 - 919.9/2304 21 PY - 2002/// CY - Washington, D.C. PB - National Academy Press KW - Mars surface samples KW - Contamination KW - Planetary quarantine KW - Mars (Planet) KW - Exploration KW - Equipment and supplies KW - Electronic books N1 - Includes bibliographical references; Electronic reproduction. Ann Arbor, MI : ProQuest, 2015. Available via World Wide Web. Access may be limited to ProQuest affiliated libraries UR - https://ebookcentral.proquest.com/lib/bacm-ebooks/detail.action?docID=3375339 ER -