TY - GEN CN - QB641 CY - Washington, D.C. : DA - c2002. ID - 406986 KW - Mars surface samples. KW - Mars surface samples KW - Planetary quarantine. LK - https://univsouthin.idm.oclc.org/login?url=http://site.ebrary.com/lib/usiricelib/Doc?id=10038610 PB - National Academy Press, PP - Washington, D.C. : PY - c2002. T1 - Safe on Marsprecursor measurements necessary to support human operations on the Martian surface / TI - Safe on Marsprecursor measurements necessary to support human operations on the Martian surface / UR - https://univsouthin.idm.oclc.org/login?url=http://site.ebrary.com/lib/usiricelib/Doc?id=10038610 ER -