Application of tetracyclic polyprenoids as indicators of input from fresh-brackish water environments von Holba, A.G, Dzou, L.I, Wood, G.D, Ellis, L, Adam, P, Schaeffer, P, Albrecht, P, Greene, T, Hughes, W.B

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Petroleum geochemistry of Middle Magdalena Valley, Colombia von Ramón, J.C, Dzou, L.I

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Maturation effects on absolute biomarker concentration in a suite of coals and associated vitrinite concentrates von Dzou, L.I.

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Evolution of the Cretaceous organic facies in Colombia: implications for oil composition von Ramón, J.C., Dzou, L.I., Hughes, W.B., Holba, A.G.

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