1. Alteration of crude oil by waters and bacteria—evidence from geochemical and isotope studies;Bailey;Bull. Am. Assoc. Petrol Geologists,1973
2. Carbon Isotopes in Oil-Gas Geology;Galimov,1973
3. Source rock/crude oil correlation based on distribution of C27 + cyclic hydrocarbons;Leythaeuser,1977
4. Petroleum transformations in reservoirs;Milner;J. Geochem. Expl.,1977
5. Isotopengeochemie und Erdölgenese;Müller;Z. Angew. Geol.,1968