Hits 1-9 within 9 documents
Hits 1-9 within 9 documents
Author(s): Gerth, Werner; Bertram, Barbara.- 1970. 71p.
Author(s): Gerth, Werner; Bertram, Barbara.- 1968. 132p.
Author(s): Gerth, Werner; Bertram, Barbara.- 1969. 70p.
Author(s): Gerth, Werner; Bertram, Barbara.- 1968. 68p.
Author(s): Bertram, Barbara; Gerth, Werner; Netzker, Wolfgang.- 1980. 38p.
Author(s): Bertram, Barbara; Gerth, Werner; Carl, Christine.- 1980. 45p.
Author(s): Gerth, Werner; Bertram, Barbara; Kaftan, Burkhard; Ronneberg, H..- 1975. 81p.
Author(s): Kaftan, Burkhard; Gerth, Werner; Bertram, Barbara; Ronneberg, Heinz; Kaftan, Burkhard; Netzker, Wolfgang; Fischer, Axel.- 1977. 100p.
Author(s): Gerth, Werner; Burkhardt, Erwin; Bernard, Günter; Bertram, Barbara; Bonus, Hans; Heinrichs, W.; Höpfner, E..- 1970. 62p.