Hits 1-4 within 4 documents
Hits 1-4 within 4 documents
Author(s): Gerth, Werner.- 1980. 14p.
Author(s): Gerth, Werner; Kasek, Leonhard; Pinther, Arnold; Starke, Kurt; Süße, Heinz.- 1985. 24p.
Author(s): Gerth, Werner.- 1982. 24p.
Author(s): Gerth, Werner.- 1981. 59p.