@article {47602,
	title = {A review of environmental factors affecting elk winter diets},
	volume = {71},
	year = {2007},
	pages = {164-176},
	publisher = {Journal of Wildlife Management},
	url = {http://www.jstor.org/pss/3236899},
	author = {Christianson, David A. and Creel, Scott}
}
