Authors: Merle d'Aubigné, Robert --- Cauchoix, J. --- Lance, P. --- Benassy, J. --- Tubiana, R. --- et al. Zimmer, M. --- Kern, E. --- Lassner, J. --- Ramadier, J. O. --- Psotel, J. --- Timal, R. --- Barbizet, Jacques --- Duchet, G. --- Pifko, N. --- Gola, G.
Year: 1949 Publisher: Paris L'Expansion scientifique française