@mastersthesis {32483,
	title = {Factors influencing the efficacy of human effigies in deterring waterfowl from polluted ponds},
	volume = {Zoology},
	year = {1980},
	pages = {75},
	address = {University of Alberta},
	keywords = {Aves},
	url = {http://search.proquest.com/docview/303110325},
	author = {Gulley, John  Robert}
}
