Hits 21-30 within 78 documents
Hits 21-30 within 78 documents
Author(s): Gerth, Werner.- 1986. 42p.
Author(s): Ronneberg, Heinz.- 1980. 17p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1983. 14p.
Author(s): Kasek, Leonhard; Fischer, Evelyne; Hartung, U.; Thiele, Gisela; Ulrich, Gisela.- 1989. 86p.
Author(s): Förster, Peter.- 1987. 31p.
Author(s): Schmidt, H..- 1980. 37p.
Author(s): Pinther, Arnold.- 1980. 10p.
Author(s): Friedrich, Walter.- 1987. 30p.
Author(s): Thiele, Gisela.- 1987. 15p.
Author(s): Roski, Günter.- 1983. 19p.