by (France)R.Jancel;by (Netherlands)R.Kubo; by (United States)C.Jungnickel;by (Netherlands)M.Jacob; by (France)M.Rat;by (France)J.Dubois; by (France)A.Rey;by (France)M.Rat; by (France)R.Olivier;by (France)A.Rey; by (United States)W.H.Jones;by (Netherlands)D.A.King; (France)M.Balkanski...et al; (Netherlands)D.Curie; by (Japan)H.Nakano;by (Netherlands)N.N.Vakhania;