TY - BOOK ED - ebrary, Inc. TI - Safe on Mars: precursor measurements necessary to support human operations on the Martian surface T2 - Compass series AV - QB641 .S23 2002eb 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 KW - local N1 - Includes bibliographical references; Electronic reproduction; Palo Alto, Calif.; ebrary; 2009; Available via World Wide Web; Access may be limited to ebrary affiliated libraries UR - http://site.ebrary.com/lib/daystar/Doc?id=10038610 ER -