by HORN,GERHARDT,.DR
Year of Publication 13.07.1989

by HORN,GERHARDT,.DR, DIETER,.FROHNING,CARL, LIEBERN,HANS
Year of Publication 28.06.1984

by HORN, GERHARDT. DR, FROHNING, CARL DIETER. DR
Year of Publication 01.06.1978

by HORN, GERHARDT. DR., 4200 OBERHAUSEN, DE, FROHNING, CARL-DIETER. DR., 4230 WESEL, DE
Year of Publication 20.02.1992

by HORN, GERHARDT. DR., 4200 OBERHAUSEN, DE, FROHNING, CARL DIETER. DR., 4230 WESEL, DE
Year of Publication 12.10.1989

by CARL DIETER FROHNING DR, GREGOR DECKERS DR, GERHARD DIEKHAUS DR, GERHARDT HORN DR, HORST BURKHARD HORRIG, BERND DORSCH DR
Year of Publication 01.11.1994

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

by ZGORZELSKI, WOLFGANG., 4200 OBERHAUSEN, DE, LIEBERN, HANS, 4330 MUELHEIM, DE, HORN, GERHARDT. DR., 4200 OBERHAUSEN, DE, FROHNING, CARL-DIETER. DR., 4230 WESEL, DE
Year of Publication 11.04.1991

by MATERNE, WINFRIED., 5802 WETTER, DE, LOHR, JUERGEN., 4600 DORTMUND, DE, HORN, GERHARDT. DR., 4200 OBERHAUSEN, DE, MORAW, KLAUS. DR., 4220 DINSLAKEN, DE
Year of Publication 23.08.1990

by FROHNING,DIETER,.DR, HORN,GERHARDT,.DR, LIEBERN,HANS
Year of Publication 22.10.1981

by MATHIEU,KLAUS, WEBER,JUERGEN,.DR, HORN,GERHARDT,.DR, BACH,HANSWILHELM,.DR, KNIEP,CLAUS, FALK,VOLKER,.DR
Year of Publication 13.07.1989