@mastersthesis {30269,
	title = {A comparative study of behaviour relating to differential drift of two species of mayflies},
	year = {1976},
	address = {University of Toronto},
	keywords = {Ephemeroptera, insecta},
	url = {http://search.proquest.com/docview/302811555},
	author = {Corkum, Lynda Dale}
}
