http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Ceramic evaluations of clays and shales of East Tennessee
by R. P. Hollenbeck and M. E. Tyrrell. Prepared in cooperation with U.S. Bureau of Mines.
Report of investigations (Tennessee. Division of Geology) ; 25