@article {37812,
	title = {Aspen in a changing climate},
	year = {1991},
	note = {In: Proceedings of a symposium on Aspen Management for the 21st Century, 19-21 November 1990, ed. by S. Navratil and P. B. Chapman},
	pages = {143-152},
	institution = {Can. For. Serv. Nor. For. Centre},
	author = {Zoltai, S. C. and Singh, T. and Apps, M. J.}
}
