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2. Occurrence and formation of tricyclic terpanes in sediments and petroleums;Aquino Neto,1983
3. Bacterial degradation of crude oil: comparison of field and experimental data;Bailey;Chem. Geol.,1973
4. Hydrocarbons of biogenic origin in petroleum-aromatic triterpanes and bicyclic sesquiterpanes;Bendoraitis,1974
5. The origin and fate of lipids in the Japan Trench;Brassell,1980