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The Molecular Fossil Record of Oleanane and Its Relation to Angiosperms

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Natural Sciences, Plant Biology, Plant Sciences +15

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Life Sciences, Ecology, Microbiology +17

Resolution and Identification of Elemental Compositions for More than 3000 Crude Acids in Heavy Petroleum by Negative-Ion Microelectrospray High-Field Fourier Transform Ion Cyclotron Resonance Mass Spectrometry

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Natural Sciences, Chemistry, Petroleum Engineering +13

Advances in Organic Geochemistry

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Natural Sciences, Chemistry, Earth Sciences +13