Hits 21-30 within 55 documents
Hits 21-30 within 55 documents
Author(s): Kasek, Leonhard; Neise, Ulrich.- 1977. 44p.
Author(s): Netzker, Wolfgang; Kaftan, Burkhard.- 1977. 16p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1973. 28p.
Author(s): Heublein, Ulrich.- 1989. 49p.
Author(s): Gutnik, Wladimir.- 1997. 32p.
Author(s): Halbach, Uwe.- 2011. 31p.
Author(s): Wiedemann, Dieter.- 1986. 32p.
Author(s): Wischnewskij, Anatolij.- 1998. 38p.
Author(s): Netzker, Wolfgang.- 1980. 35p.
Author(s): Ignatow, Assen.- 1998. 26p.