GSCHNEIDNER, KARL A. APPLICATIONS INDUSTRIAL OF ELEMENTS EARTH RARE - 0 - U.S.A. ACS SYMPOSIUM SERIES 1981 - 297 pag 23 cm - 0 0 . METALS-NONMETALS/EARTH-ELEMENTS Subjects--Topical Terms: CIENCIAS PURAS Dewey Class. No.: 550 / G372