@book{26808,
	author = {Savage, Thomas Edmund, and Lobeck, A. K.},
	title = {The Devonian rocks of Kentucky;},
	publisher = {The Kentucky geological survey,},
	year = {1930.},
	series = {Kentucky. Geological survey, 1920-      Ser. VI. [Geologic reports]},
	address = {Frankfort,}
}