Hits 1-2 within 2 documents
Hits 1-2 within 2 documents
Author(s): Gerth, Werner; Kasek, Leonhard; Thiele, Gisela; Fischer, Evelyne; Spitzky, N..- 1984. 43p.
Author(s): Gerth, Werner; Kasek, Leonhard; Müller, Harry; Pinther, Arnold; Reißig, Monika; Starke, Kurt; Süße, Heinz.- 1985. 25p.