Author: Dr.-Ing. Otto Kienzle (auth.), Prof. Dr. G. Berndt, Obering. Th. Damm, Obering. C. W. Drescher, Obering. G. Frenz, Obering. M. Gohlke, Prof. K. Gottwein, Obering. K. Gramenz, Direktor Dr.-Ing. e. h. E. Huhn, Dr.-Ing. Otto Kienzle, Obering. G. Leifer, Direktor Dr.-Ing. e. h. I. Reindl (eds.)