by BEXTEN,LUDGER,.DR, KUPIES,DIETER
Year of Publication 11.02.1988

by BEXTEN LUDGER DR.,DE, KUPIES DIETER,DE
Year of Publication 15.10.1991

by BEXTEN LUDGER DR.,DE, KUPIES DIETER,DE
Year of Publication 14.11.1990

by BEXTEN LUDGER DR.,DE, KUPIES DIETER,DE
Year of Publication 14.11.1990

by BEXTEN,LUDGER,.DR, PAYER,WOLFGANG,.DR, HOBES,JOHN,.DR
Year of Publication 28.01.1988

by BEXTEN,LUDGER,.DR, PAYER,WOLFGANG,.DR, HOBES,JOHN,.DR
Year of Publication 04.12.1986

by BEXTEN,LUDGER,.DR, PAYER,WOLFGANG,.DR, LUEMMEN,HANS-ALBERT
Year of Publication 17.07.1986

by BEXTEN,LUDGER,.DR, CORNILS,BOY,.DR, KUPIES,DIETER
Year of Publication 13.03.1986

by BEXTEN,LUDGER,.DR, TUMMES,HANS,.DR, WEBER,JUERGEN,.DR
Year of Publication 21.08.1975

by KUPIES DIETER, CORNILS BOY DR, GAERTNER RODERICH DR, BEXTEN LUDGER DR
Year of Publication 30.05.1984

by BEXTEN,LUDGER,.DR, CORNILS,BOY,.DR, GAERTNER,RODERICH,.DR, KUPIES,DIETER
Year of Publication 22.03.1984

by BEXTEN, LUDGER. DR., 4224 HUENXE, DE, LAPPE, PETER. DR., 4220 DINSLAKEN, DE, KUPIES, DIETER, 4100 DUISBURG, DE
Year of Publication 04.01.1990

by TUMMES, HANS. DR, WEBER, JUERGEN. DR, BEXTEN, LUDGER- . DR., 4272 KIRCHHELLEN
Year of Publication 12.07.1979

by BEXTEN,LUDGER,.DR, BAHRMANN,HELMUT,.DR, KONKOL,WERNER,.DR, WEBER,JUERGEN,.DR, BACH,HANSWILHELM,.DR
Year of Publication 02.04.1987

by HAHN, HEINZ-DIETER. DR, BEXTEN, LUDGER. DR., 4224 HUENXE, CORNILS, BOY. DR., 4220 DINSLAKEN, TUMMES, HANS- . DR
Year of Publication 27.09.1979

by HAHN, HEINZ-DIETER. DR, BEXTEN, LUDGER. DR., 4224 HUENXE, CORNILS, BOY. DR., 4220 DINSLAKEN, TUMMES, HANS- . DR
Year of Publication 08.02.1979

by TUMMES, HANS. DR, CORNILS, BOY. DR., 4220 DINSLAKEN, BEXTEN, LUDGER. DR., 4272 KIRCHHELLEN, NOESKE, HEINZ- . DR
Year of Publication 20.05.1976

by BEXTEN,LUDGER,.DR, CORNILS,BOY,.DR, BAHRMANN,HELMUT,.DR, KONKOL,WERNER,.DR, WEBER,JUERGEN,.DR, BACH,HANSWILHELM,.DR
Year of Publication 02.04.1987

by BEXTEN, LUDGER. DR., 4224 HUENXE, DE, WEBER, JUERGEN. DR., 4200 OBERHAUSEN, DE, LAPPE, PETER. DR., 4220 DINSLAKEN, DE, SPRINGER, HELMUT., 4200 OBERHAUSEN, DE, KUPIES, DIETER, 4100 DUISBURG, DE
Year of Publication 05.04.1990

by BEXTEN,LUDGER,.DR, BRUNDIN,EIKE,.DR
Year of Publication 29.10.1981