@article {28059,
	title = {The forest grassland transition. In : Pedology and Quaternary Research. Symposium held at Edmonton, Alberta, May 13 and 14th, 1969, edited S. Pawluk},
	year = {1969},
	pages = {103-113},
	institution = {University of Alberta},
	author = {Pettapiece, W. W.}
}
