1. Extractable and bound fatty acids in core sediments from the Nördlinger Ries, southern Germany;Barakat;Fuel,1994
2. Correlations between carboxylic acids and hydrocarbons in several crude oils. Alteration and biodegradation;Behar,1984
3. Carbon-13 NMR Spectral Data;Bremser,1987
4. A postulated role of fatty acids in petroleum formation;Cooper;Geochim. Cosmochim. Acta,1963
5. Triterpénes de sédiments;van Dorsselaer,1974