@article {39274,
	title = {Ecologically based reference-age invariant polymorphic height growth and site index curves for major Alberta tree species : least square fit statistics and residual plots},
	volume = {Publication T/308},
	year = {1994},
	pages = {98},
	institution = {Alberta Environmental Protection, Land and Forest Services, Forest Management Division},
	author = {Huang, Shongming}
}
