@book{29222,
	author = {Sweet, Walter C. and Miller, A. K.},
	title = {Ordovician cephalopods from Cornwallis and Little Cornwallis Islands,},
	publisher = {E. Cloutier, Queen's printer,},
	year = {1957.},
	series = {Bulletin (Geological Survey of Canada)},
	address = {Ottawa,}
}