@mastersthesis {36462,
	title = {Isolation and characterization of non-bituminous organic materials thought to interfere with recovery of bitumen from oil sands},
	year = {1989},
	address = {University of Calgary},
	keywords = {oil refining},
	url = {http://search.proquest.com/docview/303719956},
	author = {Sengupta, Susmita}
}
