@mastersthesis {30141,
	title = {Range ecology of Rocky Mountain bighorn sheep in Canadian National Parks},
	year = {1975},
	pages = {234},
	address = {University of Montana},
	url = {http://library2.usask.ca/theses/available/etd-05112009-133446/unrestricted/DevinHelpsMastersETD.pdf},
	author = {Stelfox, John Glyde}
}
