@article {37813,
	title = {Aspen management for the 21st century : proceedings of a symposium held November 20-21, 1990, in Edmonton, Alberta, in conjunction with the 12th annual meeting of the Poplar Council of Canada},
	year = {1991},
	pages = {174},
	institution = {Forestry Canada, Northwest Region, Northern Forestry Centre, Alberta, and Poplar Council of Canada, Edmonton, Alberta},
	isbn = {066219036X},
	author = {Navratil, S. and Chapman, P. B. eds.}
}
