Authors: Söderberg, K. --- Collinson, E. --- Lapenna, Ivo --- Johnson, E.L. --- Laurat, L. --- et al. Yagi, H. --- Reiersøl, V. --- Duncan, D.R. --- Sirk, H. --- Neergaard, P. --- Støp-Bowitz, C.
Year: 1955 Publisher: Purmerend J. Muusses