TY - BOOK AU - Frondel,Clifford TI - Systematic mineralogy of uranium and thorium AV - QE75 .B9 no. 1064 PY - 1958/// CY - Washington, [D.C.] PB - U.S. G.P.O. KW - Uranium ores KW - Thorium KW - Bibliography N1 - "This report concerns work done on behalf of the U.S. Atomic Energy Commission and is published with the permission of the Commission."; Bibliography: p. 361-396 ER -