by LEREZ,WALTER,DD, MAIWALD,ROLF,DD
Year of Publication 24.09.1986

by LUDWIG,JOCHEN,DD, LEREZ,WALTER,DD
Year of Publication 26.10.1983

by BUTZE,DIETER,DD, MAIWALD,ROLF,DD, LEREZ,WALTER,DD
Year of Publication 21.09.1988

by LUDWIG,JOCHEN,DD, MAIWALD,ROLF,DD, LEREZ,WALTER,DD
Year of Publication 10.09.1980

by PAUL,MANFRED,DD, POETTER,ROBERT,DD, FRITZSCHE,GEROLF,DD, LEREZ,WALTER,DD, LANDSKRON,GUENTER,DD
Year of Publication 06.01.1988

by ZIEGENBALG,SIEGFRIED,DD, LUDWIG,JOCHEN,DD, DRESSLER,WOLFGANG,DD, HOCHSTEIN,REINHARD,DD, LEREZ,WALTER,DD, FISCHER,GERHARD,DD
Year of Publication 12.09.1979

by MAIWALD, ROLF. DR., DDR 9200 FREIBERG, DD, LUDWIG, JOCHEN, DDR 8020 DRESDEN, DD, LEREZ, WALTER, DDR 8054 DRESDEN, DD
Year of Publication 24.08.1989