@article {48364,
	title = {Wolves, elk and aspen in the winter range of Jasper National Park, Canada},
	volume = {37},
	year = {2007},
	pages = {1873-1885},
	publisher = {Canadian Journal of Forest Research},
	url = {http://article.pubs.nrc-cnrc.gc.ca/RPAS/RPViewDoc?_handler_=HandleInitialGet\&calyLang=eng\&journal=cjfr\&volume=37\&articleFile=x07-017.pdf},
	author = {Beschta, R. L. and Ripple, W. J.}
}
