@article {35620,
	title = {Some observations on the aging phenomenon in the hot water processing of Athabasca oil sands. Part 1. the nature of the phenomenon},
	volume = {3},
	year = {1987},
	pages = {195-214},
	publisher = {AOSTRA Journal of Research},
	author = {Schramm, L. L. and Smith, R. G.}
}
