http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Industrial rocks and minerals of the Southwest
a symposium on industrial rocks and minerals of the Southwest, held May 12-15, 1981, in Albuquerque, New Mexico
Forum on Geology of Industrial Minerals 1981 : Albuquerque, N.M.)
compiled by George S. Austin in cooperation with 20 other coauthors.
Circular (New Mexico. Bureau of Mines and Mineral Resources) ; 182