@article {31661,
	title = {Suppression of mutation induction and failure to detect mutagenic activity with Athabasca tar sand},
	volume = {58},
	year = {1978},
	pages = {29-34},
	publisher = {Mutation Research/Genetic Toxicology},
	url = {http://www.jstor.org/stable/3792865?seq=2},
	author = {Shahin, M. M. and Fournier, F.}
}
