@article {38109,
	title = {Structural units of Athabasca asphaltene : the aromatics with a linear carbon framework},
	volume = {5},
	year = {1991},
	pages = {445-453},
	publisher = {Energy \& Fuels},
	author = {Payzant, J. D. and Lown, E. M. and Strausz, O. P.}
}
