@article {31799,
	title = {A visibility bias model for aerial surveys of moose on the AOSERP study area},
	volume = {AOSERP Report 47},
	year = {1979},
	note = {Project TF 1.1.1},
	pages = {28},
	institution = {Report prepared for the Alberta Oil Sands Research Program by Interdisciplinary Systems Ltd.},
	author = {Cook, R. Dennis and Jacobson, Jerald D.}
}
