A H Knoll1. Show Affiliations » 1. Botanical Museum, Harvard University, Cambridge, MA 02138, USA. aknoll@oeb.harvard.edu
Abstract
Keywords: NASA Discipline Exobiology; Non-NASA Center
Mesh: See more » AtmosphereAustraliaBiological EvolutionBiomarkers/analysisCyanobacteria/physiologyEukaryotic Cells/physiologyFossilsGeologic Sediments/chemistryHydrocarbons/analysisLipids/analysisOxygenPaleontologyPhotosynthesisSterols/metabolismTriterpenes/analysis
Substances: See more » BiomarkersHydrocarbonsLipidsSterolsTriterpenesOxygen
Year: 1999 PMID: 10475845 DOI: 10.1126/science.285.5430.1025
Source DB: PubMed Journal: Science ISSN: 0036-8075 Impact factor: 47.728