@article {28067,
	title = {The role of ecology in the national parks},
	year = {1969},
	note = {In: Nelson, J. G. and R. C. Scace, eds. The Canadian National Parks: today and tomorrow. Proceedings of  a 1968 conference},
	pages = {931-939},
	institution = {University of Calgary},
	author = {Cowan, Ian McT.}
}
