@article {29076,
	title = {Waterfowl evaluation of the Athabasca Tar Sands area},
	volume = {Unpublished report CWS-58-72},
	year = {1972},
	pages = {8},
	institution = {Canadian Wildlife Service},
	address = {Edmonton, AB},
	author = {Schick, C. D. and Ambrock, K. R.}
}
