Authors: Stuiveling, Garmt --- Ett, Henri A. --- Haasse, Hella --- Huygens, G.W. --- Janssens, Marcel --- et al. de Leeuwe, H.J.J. --- Resink, G.J. --- Schmook, Ger --- Spigt, P. --- Vuyk, Beb --- Wertheim, Willem F.
Year: 1970 Publisher: Hasselt Uitgeverij Heideland-Orbis n.v.