@mastersthesis {26773,
	title = {The Mannville Group (Lower Cretaceous) of central Alberta},
	volume = {Geology},
	year = {1960},
	pages = {106},
	address = {University of Alberta},
	url = {http://repository.library.ualberta.ca/dspace/bitstream/10048/655/1/Zhao_Yi_Fall+2009.pdf},
	author = {Williams, Gordon Donald Clarence}
}
