@book{28452,
	author = {Jahns, Richard H. and Lancaster, Forrest W.,},
	title = {Physical characteristics of commercial sheet muscovite in the southeastern United States,},
	publisher = {U.S. Govt. Print. Off.,},
	year = {1950.},
	address = {Washington,},
	note = {Prepared under a cooperative agreement with the State of North Carolina and the Tennessee Valley Authority.}
}