@article {27611,
	title = {Progress report on a study of red-tailed hawk ecology in central Alberta},
	volume = {Unpublished report AFW-67-039},
	year = {1967},
	pages = {13},
	institution = {University of Wisconsin},
	address = {Madison},
	author = {Luttich, S. N. and Keith, L. B.}
}
