@article {33250,
	title = {The impact of railroad and highway mortality on bighorn sheep populations in the lower Athabasca valley, Jasper National Park, Canada},
	year = {1981},
	note = {Paper presented to the Wildlife Society, Northwest Section annual conference, Couer D{\textquoteright}Alene, Idaho, May 1981},
	author = {Van Tighem, K.}
}
