Hits 21-26 within 26 documents
Hits 21-26 within 26 documents
Author(s): Bertram, Barbara; Gerth, Werner; Carl, Christine.- 1980. 45p.
Author(s): Gerth, Werner; Niebling, Birgit.- 1975. 51p.
Author(s): Gerth, Werner; Kasek, Leonhard; Ulrich, Gisela; Thiele, Gisela; Fischer, Evelyne; Ulbrich, Klaus.- 1987. 45p.
Author(s): Förster, Peter; Gerth, Werner; Müller, Harry; Starke, Kurt; Wiedemann, Dieter; Stiehler, Hans-Jörg; Reißig, Monika.- 1986. 42p.
Author(s): Kaftan, Burkhard; Gerth, Werner; Bertram, Barbara; Ronneberg, Heinz; Kaftan, Burkhard; Netzker, Wolfgang; Fischer, Axel.- 1977. 100p.
Author(s): Gerth, Werner.- 1979. 48p.