@article {30697,
	title = {A summary of waterfowl investigation in the Peace-Athabasca Delta, 1971-1976},
	volume = {Unpublished report CWS-77-047},
	year = {1977},
	pages = {20},
	institution = {Canadian Wildlife Service},
	author = {Hennan, E. G. and Ambrock, K. R.}
}
