@article {32740,
	title = {Surface-active materials from Athabasca oil sands},
	volume = {3},
	year = {1980},
	pages = {55-61},
	publisher = {Fuel Processing Technology},
	author = {Moschopedis, Speros E. and Schulz, Karlo, F. and Speight, James G. and Morrison, D. N.}
}
