@mastersthesis {31771,
	title = {A limnological survey of a Rocky Mountain cold spring: With comments on a possible glacial refugium},
	volume = {Zoology},
	year = {1979},
	pages = {141},
	address = {University of Alberta},
	url = {http://search.proquest.com/docview/302979172},
	author = {Bergstrom, Glen Philip}
}
