@article {37368,
	title = {Classification and measurement of aspen decay and stain in Alberta},
	volume = {Inf. Report No. NOR-X-314},
	year = {1990},
	institution = {Can. For. Ser. North. For. Res. Cent. },
	author = {Hiratsuka, Y. and Gibbarb, D. A. and Bakowsky, O. and Maier, G. B.}
}
