by HORST PACHONIK, GERHARD SEEBACHER,DR
Year of Publication 03.12.1970

by PACHONIK,HORST, SEEBACHER,GERHARD,DR.-PHIL
Year of Publication 05.01.1984

by SEEBACHER,GERHARD,DR, PACHONIK,HORST, BEHN,REINHARD
Year of Publication 11.09.1980

by KOBALE,MANFRED,DR, SEEBACHER,GERHARD,DR
Year of Publication 10.04.1975

by PACHONIK,HORST, SEEBACHER,GERHARD,DR.-PHIL, EILERS,CARL-ERNST
Year of Publication 15.09.1983

by SEEBACHER,GERHARD,DR, PACHONIK,HORST
Year of Publication 04.09.1980

by MAYER,GERHARD, SEEBACHER,GERHARD,DR, KRUEGER,HANS, KAUSCHE,HELMOLD, PETERS,WINFRIED
Year of Publication 27.11.1980