@article {30957,
	title = {Observations of the harlequin duck (Histrionicus histrionicus) on Maligne Lake, Jasper National Park, summer 1977},
	volume = {Unpublished report},
	year = {1977},
	pages = {8},
	institution = {Parks Canada, Warden Service},
	author = {Beswick, B.}
}
