Author: Professor Dr. Walther Bergerhoff, Professor Dr. Hermann Büchner, Dr. Carl Carlsson, Professor Dr. Arne Engström, Professor Dr. Dr. Heinrich Franke, Dipl.-Ing. G. Fredzell, Dr. Christian Gloxhuber, Professor Dr. Helmut Gremmel, Professor Dr. Richard Haubrich, Professor Dr. Gerhard Hecht, Professor Dr. Karl Heckmann, Professor Dr. Hans Köhnle, G. A. Magni, Professor Dr. Olle Olsson, Professor Dr. Dr. Herbert Schober, Dr. Werner Scholtan, Professor Dr. Friedrich Ernst Stieve, Professor Dr. Franz Strnad, Professor Dr. Günther Viehweger, Professor Dr. Carl Wegelius (auth.), H. Vieten (eds.)