1. Alteration of crude oil by waters and bacteria—evidence from geochemical and isotope studies;Bailey;Am. Assoc. Pet. Geol. Bull.,1973
2. Williston Basin—new province for oil exploration;Barnes;Bull. Am. Assoc. Pet. Geol.,1953
3. Application of oil-correlation and source rock data to exploration in Williston Basin;Dow;Bull. Am. Assoc. Pet. Geol.,1974
4. Geochemical correlation of petroleum;Erdman;Bull. Am. Assoc. Pet. Geol.,1974
5. Evolution and alteration of petroleum in western Canada;Evans;Chem. Geol.,1971