by CORNILS,BOY,.DR, DIETER,.FROHNING,CARL, BUESSEMEIER,BERND,.DR
Year of Publication 03.06.1982

by CORNILS,BOY,.DR, FROHNING,CARL-DIETER,.DR, BUESSEMEIER,BERND,.DR
Year of Publication 08.04.1982

by BUESSEMEIER,BERND,DR, KLUY,WERNER,DR, DIETER,FROHNING,CARL, HORN,GERHARDT,DR
Year of Publication 11.11.1976

by CORNILS, BOY. DR., 4220 DINSLAKEN, DE, FROHNING, CARL-DIETER. DR., 4200 OBERHAUSEN, DE, BUESSEMEIER, BERND. DR., 4330 MUELHEIM, DE
Year of Publication 23.09.1982