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2. Outcrops of the Claiborne group in the Brazos Valley southeast Texas;Berg,1970
3. Stable carbon isotope ratios of natural materials: 1. Sample preparation and mass spectrometric analysis;Boutton,1991
4. Aliphatic acid anions in oil-field waters—implications for origin of natural gas;Carothers;Bull. Am. Assoc. Petrol. Geol.,1978
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