@article {38506,
	title = {Status of the northern leopard frog in Alberta - 1991},
	year = {1992},
	pages = {50},
	institution = {Unpublished report by Sweetgrass Consultants Ltd. for World Wildlife Fund Canada (Prairie for tomorrow) and Alberta Forestry, Lands and Wildlife},
	author = {Wershler, C. R.}
}
