1. Porphyrins in Monterey crude oils;Baker,1984
2. Structural similarities between oil-generating kerogens and petroleum asphaltenes;Bankdurski;Energy Sources,1982
3. Geochemistry of asphaltenes;Behar,1984
4. South Elwood oil field, Santa Barbara Channel, California, a Monterey Formation fractureded reservoir;Belfield,1983
5. Action d'H2S et de S sur quelques substances organiques actuelles fossiles;Bestougeff,1974