Authors: Döry, Ludwig --- Fertig, Ludwig --- Franz, Eckhart G. --- von Götz-Mohr, Brita --- Grein, Gerd J. --- et al. Grotkamp-Schepers, Barbara --- Heckmann, Herbert --- Hoferichter, Carl Horst --- Hoffmann, Detlef --- Huber, Eva --- Illgen, Gudrun --- Köhler, Brigitte --- Sabais, Heinz Winfried --- Sauder, Gerhard --- Schepers, Wolfgang --- Schneider, Reinhard --- Siebert, Giesela --- Stolle, Walter --- Sundermann, Elisabeth --- Thum, Rainer --- Weber, Otto --- Weitz, Wolfgang --- Wolf, Jürgen Rainer --- Wystrach, Hajo
Year: 1980