@article {43463,
	title = {Responses of western Canadian aspen forests to climate variation and insect defoliation during the period 1950-2000},
	year = {2001},
	institution = {Environment Canada, Meteorological Service of Canada, Prairie and Northern Region},
	url = {http://www.adaptation.rncan.gc.ca/projdb/pdf/forestry4_e.pdf},
	author = {Hogg, E. H. (Ted) and Brandt, James P. and Kochtubajda, B.}
}
