Applied Mineralogy/Technische Mineralogie. Edited by/Herausgegeben von V. D. Fréchette, Alfred, N. Y., H. Kirsch, Essen, L. B. Sand, Worcester, mass., f. Trojer, Leoben. Vol. 3: Arc Plasma Technology in Materials Science. By Dennis A. Gerdeman, B. M. E., M. S., Research Scientist, University of Dayton Research Institute, Dayton, Ohio, U.S.A., and Norman L. Hebt, B. S., M. S., Ph. D., Research Ceramist, Univ. o. D. r. Inst., D. Ohio, USA. With 73 Figure, X,206 pages. 1972. Cloth S 518,–, DM 75,–, US$ 23,80