OCCURRENCE OF BIOGENIC STERANES AND PENTACYCLIC TRITERPANES IN AN EOCENE SHALE (52 MILLION YEARS) AND IN AN EARLY PRECAMBRIAN SHALE (2.7 BILLION YEARS): A PRELIMINARY REPORT
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| Publicado en: | Proc Natl Acad Sci U S A |
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| Autores principales: | , , , |
| Formato: | Artigo |
| Lenguaje: | Inglês |
| Publicado: |
National Academy of Sciences
1965
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| Materias: | |
| Acceso en línea: | https://ncbi.nlm.nih.govhttps://pmc.ncbi.nlm.nih.gov/articles/PMC219916/ https://ncbi.nlm.nih.govhttps://pubmed.ncbi.nlm.nih.gov/16591314/ https://ncbi.nlm.nih.govhttps://doi.org/10.1073/pnas.54.5.1406 |
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