RT Web Page DB /z-wcorg/ DS http://worldcat.org ID 693388901 LA English UL http://digital.library.unt.edu/ark:/67531/metadc12739 T1 Contributions to the data on theoretical metallurgy XIII, XIII, A1 Kelley, K. K., United States., Bureau of Mines., PB U.S. Dept. of the Interior, Bureau of Mines : G.P.O. PP [Washington D.C.] YR 1960