@article {35150,
	title = {Permafrost distribution in central Canada : applications of a climate-based predictive model},
	volume = {76},
	year = {1986},
	pages = {550-569},
	publisher = {Annals of the Association of American Geographers},
	url = {http://www.jstor.org/stable/2562710},
	author = {Nelson, Frederick E.}
}
