1. Alteration of crude oils by waters and bacteria;Bailey;Bull. Am. Assoc. Petrol. Geol.,1973
2. Interaction of petroleum heavy ends with montmorillonite;Clementz;Clays Clay Miner.,1976
3. Diagenetic alteration of natural asphalts;Connan;Can. Soc. Petrol. Geol. Mem.,1974
4. Alteration of petroleum in reservoirs;Connan,1975
5. Geochemistry of the heavy oils of Alberta;Deroo;Can. Soc. Petrol. Geologists Mem.,1974