@article {33102,
	title = {Natural temporal variations in the chemistry of shallow groundwater, Athabasca Oil Sands area, Alberta},
	volume = {18},
	year = {1981},
	pages = {1599-1608},
	publisher = {Canadian Journal of Earth Sciences},
	url = {http://article.pubs.nrc-cnrc.gc.ca/RPAS/RPViewDoc?_handler_=HandleInitialGet\&calyLang=eng\&journal=cjes\&volume=18\&articleFile=e81-147.pdf},
	author = {Hackbarth, Douglas, A.}
}
