Belk, J. A. Vacuum techniques in metallurgy / J. A. Belk. - Oxford : New York : Pergamon Press; Macmillan, c1963. - xii, 231 p. : ill. ; 20 cm. Includes index. Subjects--Topical Terms: Vacuum metallurgy. Dewey Class. No.: 669.0284 / BEV 1963