Hits 1-10 within 26 documents
Hits 1-10 within 26 documents
Author(s): Gerth, Werner; Ulbrich, Klaus.- 1982. 18p.
Author(s): Kasek, Leonhard.- 1985. 21p.
Author(s): Spitzky, N..- 1985. 17p.
Author(s): Fischer, Evelyne; Kasek, Leonhard; Thiele, Gisela.- 1986. 39p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1970. 161p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1972. 29p.
Author(s): Friedrich, Walter.- 1982. 4p.
Author(s): Kaftan, Burkhard.- 1983. 16p.
Author(s): Kasek, Leonhard.- 1985. 15p.