Jahnke, Heinz. [from old catalog] Umformen und Schneiden/ - Berlin : Verlag Technik, 1972. - 403 p. : 347 ill., graphs ; 25 cm. Ii. Wever, Wolfgang, Dipl.-Ing., joint author. Subjects--Topical Terms: Metal-work.Metal-cutting. Dewey Class. No.: R 671.35 JAH/1972