Authors: Couwenberg, S.W. --- Houtepen, Anton --- van Leeuwen, Th. M. --- Goddijn, Walter --- Smits, P. --- et al. Musschenga, A.W. --- Fiege, W.C. --- den Breejen, E.K. --- Ransijn, Piet
Year: 1985 Publisher: 's-Gravenhage Stichting Civis Mundi