@book{28693,
	author = {Usher, J. L.},
	title = {Ammonite faunas of the Upper Cretaceous rocks of Vancouver Island, British Columbia.},
	publisher = {E. Cloutier, Queen's Printer,},
	year = {1952.},
	address = {Ottawa,},
	note = {At head of title: Dept. of Mines and Technical Surveys.}
}