ProQuest: Dissertations - Environment Geochemistry http://proquest.umi.com/pqdweb?title=&ondate=&afterdate=&beforedate=&h_pmid=&fromdate=&h_pubtitle=&date=ALL&sq=su%28geochemistry%29&searchinterface=1&ts=1130273663&moreoptstate=CLOSED&rqt=305&vinst=PROD&todate=&searchbuttonimage.y=11&sch=&clientid=20&jsenabled=1&dbid=15119&vname=PQD&querysyntax=PQ&searchbuttonimage.x=14&sortby=REVERSE_CHRON&la=any&vtype=PQD&subject=&author= ProQuest documents for Dissertations - Environment Geochemistry en-us Copyright2008 ProQuest LLC. All rights reserved. http://blogs.law.harvard.edu/tech/rss 1140 http://proquest.umi.com/images/common/logo_proquest.gif ProQuest: Dissertations - Environment Geochemistry http://proquest.umi.com/pqdweb?title=&ondate=&afterdate=&beforedate=&h_pmid=&fromdate=&h_pubtitle=&date=ALL&sq=su%28geochemistry%29&searchinterface=1&ts=1130273663&moreoptstate=CLOSED&rqt=305&vinst=PROD&todate=&searchbuttonimage.y=11&sch=&clientid=20&jsenabled=1&dbid=15119&vname=PQD&querysyntax=PQ&searchbuttonimage.x=14&sortby=REVERSE_CHRON&la=any&vtype=PQD&subject=&author= Wed, 23 Jul 2008 04:30:10 EDT Wed, 23 Jul 2008 04:30:10 EDT <![CDATA[ Amino acid biosignatures - Implications for the detection of extinct or extant microbial communities on Mars]]> Available Formats: Abstract]]> http://proquest.umi.com/pqdweb?index=0&did=1514970171&SrchMode=1&sid=1&Fmt=2&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1216798319&clientId=20 Wed, 23 Jul 2008 04:30:10 EDT 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