@article {34389,
	title = {The influence of natural surfactant concentration on the hot water process for recovering bitumen from the Athabasca oil sands},
	volume = {1},
	year = {1984},
	pages = {5-15},
	publisher = {AOSTRA Journal of Research},
	author = {Schramm, L. L. and Smith, R. G. and Stone, J. A.}
}
