@article {35359,
	title = {Aspen management - improved knowledge from research. In : Proc. Aspen quality workshop, February 12, 1987, Edmonton, Alberta},
	year = {1987},
	pages = {87-109},
	institution = {Can. For. Serv., Northern For. Cent., Canada-Alberta For. Resour. Dev. Agreement},
	address = {Edmonton, AB},
	author = {Navratil, S.}
}
