Authors: Huby, Joseph --- Bellon, Karel Leopold --- Beukers, Clemens Maria --- Cools, Jan. --- Duchesne-Guillemin, J. --- et al. Heinisch, P. --- Hofinger, M. --- Houben, Jean Joseph --- Lambrechts, P. --- Lavachery, H. --- Nailis, C. --- Post, R. --- Roelandts, M.K. --- Spae, Joseph John --- Vergote, J. --- Van Windekens, A.J.
Year: 1949 Publisher: Utrecht Spectrum