Authors: Hansen, Hans Jürgen --- Bauer, Ingetrud --- Bazinska, Barbara --- Burgstaller, Ernst --- Calvel, R. --- et al. Cortéz-Vazquez, Luis --- Eiselen, W. --- Fance, W.J. --- Floris, George A. --- Hahn, Fritz --- Hanssen, Ernstgeorg --- Hazelton, Nika Standen --- Kaukonen, Toini-Inkeri --- Magnusson, Thor --- Pfister-Burkhalter, Magarete --- Pieske, Christa --- Rüstig, Klaus --- Thiele, Ernst --- Toschi, Paolo --- Währen, Max --- Weiner, Piroska --- Zoras, Popi
Year: 1968 Publisher: Wageningen : Zomer & Keunings,