@article {33540,
	title = {Predation losses of cattle in Alberta},
	volume = {35},
	year = {1982},
	pages = {690-692},
	publisher = {Journal of Range Management},
	url = {http://www.blackwell-synergy.com/doi/abs/10.1111/Journal1747-5457.1989.tb00239.x},
	author = {Dorrance, Michael J.}
}
