@article {30504,
	title = {Pine stem rusts of Canada : identification, hosts, distribution, morphology, life cycle, cytology, damage, epidemiology, and control},
	volume = {Tech. Report No. 4},
	year = {1976},
	institution = {Canadian Forest Service, Ont. For. Ser.},
	author = {Hiratsuka, Y. and Powell, J. M.}
}
