@book{25631,
	author = {Wallis, B. Franklin},
	title = {The geology and economic value of the Wapanucka limestone of Oklahoma.},
	year = {1915.},
	series = {Oklahoma.  Geological survey.  Bulletin},
	address = {Norman,},
	note = {Published also as thesis (Ph. D.) Johns Hopkins University, 1915.}
}