@article {38008,
	title = {Multivariate analysis of ichnofossil associations in the subsurface Bluesky formation (Albian, Alberta, Canada)},
	volume = {85},
	year = {1991},
	pages = {169-187},
	publisher = {Palaeogeography, Palaeoclimatology, Palaeoecology},
	author = {Ranger, Michael J. and Pemberton, S. George}
}
