@article {48973,
	title = {Responses of Great Horned Owls (Bubo virginianus), Barred Owls (Strix varia), and Northern Saw-whet Owls (Aegolius acadicus) to forest cover and configuration in an agricultural landscape in Alberta, Canada},
	volume = {86},
	year = {2008},
	pages = {1165-1172},
	publisher = {Canadian Journal of Zoology},
	author = {Grossman, S. R. and Hannon, S. J. and S{\'o};nchez-Azofeila, a.}
}
