@article {33638,
	title = {Trace fossils from the Athabasca Oil Sands, Alberta, Canada},
	volume = {217},
	year = {1982},
	pages = {825-827},
	publisher = {Science},
	url = {http://www.sciencemag.org/cgi/content/abstract/221/4607/261},
	author = {Pemberton, S. G. and Flach, P. D. and Mossop, G. D.}
}
