Geochimica et Cosmochimica Acta · 1968 · 100 citations · 27 references
Natural SciencesEarth SciencesGeologyGeochemistrySedimentologySoil ChemistryEnvironmental GeochemistryMineral-organic InteractionsOrganic GeochemistrySediment ChemistrySedimentary GeochemistrySoil GeochemistryMolecular GeochemistryPorphyrin AccumulationPorphyrin ComplexesPorphyrin PrecursorsSediment Organic Geochemistry
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Porphyrins and Metalloporphyrins
E. S. Crelin · The Yale Journal of Biology and Medicine · 1964 · 992 citations
Paleobiology of a Precambrian Shale
Elso S. Barghoorn, W. G. Meinschein, J. William Schopf · Science · 1965 · 148 citations