Author: Willy Hippler (auth.), R. Bussien, A. Cochius, K. Güldenstein, E. Herbst, W. Hippler, Dr.-Ing. R. Koch, H. Mauck, Dr.-Ing. e. h. J. Reindl, Prof. Dr.-Ing. O. Schmitz, Dipl.-Ing. E. Simon, Prof. E. Toussaint (eds.)
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.)