@article {35987,
	title = {Impact of pine stem rusts of hard pines in Alberta and the Northwest Territories},
	volume = {Information Report NOR-X-299},
	year = {1988},
	institution = {Canadian Forest Service, Northern Forest Research Centre},
	author = {Hiratsuka, Y. and Powell, J. M. and Van Sickle, G. A.}
}
