Hits 1-6 within 6 documents
Hits 1-6 within 6 documents
Author(s): Gerth, Werner.- 1980. 11p.
Author(s): Gerth, Werner; Kasek, Leonhard; Thiele, Gisela; Fischer, Evelyne; Spitzky, N..- 1984. 43p.
Author(s): Gerth, Werner.- 1980. 14p.
Author(s): Gerth, Werner.- 1987. 21p.
Author(s): Bertram, Barbara; Gerth, Werner; Netzker, Wolfgang.- 1980. 38p.
Author(s): Bertram, Barbara; Gerth, Werner; Carl, Christine.- 1980. 45p.