@article {35793,
	title = {Biomass productivity in two-year-old aspen cutovers near Calling Lake and Slave Lake, Alberta. In : C. Granger, ed. Proc. Sixth Can. Bioenergy R \& D Semin, February 16-18, 1987, Richmond, British Columbia},
	year = {1988},
	author = {Grewal, H. S.}
}
