@article {35444,
	title = {Excellence and results-oriented regeneration in Alberta{\textquoteright}s spruce forests : the place for cleaning and tending. In : Proceedings of IVMAA Seminar, In Pursuit of Excellence, March 18-19, 1987, Calgary, Alberta},
	year = {1987},
	pages = {176-186},
	author = {Drew, T. J.}
}
