@article {33877,
	title = {Natural lodgepole pine in western central Alberta. Part II. Juvenile spacing. In : M. Murray, ed., Lodgepole pine : regeneration and management },
	volume = {Gen. Tech. Report. No. PNW-157},
	year = {1983},
	note = {In; Lodgepole pine: regeneration and management, ed., by M. Murray},
	pages = {8-14},
	institution = {USDA For. Ser. , Pacific Northwest For. Range Exp. Station},
	address = {Portland, Oregon},
	author = {Johnstone, W. D.}
}
