Hits 11-20 within 28 documents
Hits 11-20 within 28 documents
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1972. 26p.
Author(s): Höpner, Martin.- 2004. 33p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1974. 12p.
Author(s): Welsch, Friedrich J..- 2006. 7p.
Author(s): Hoffmann, Bert.- 2018. 13p.
Author(s): Röller, Lars-Hendrik; Zhang, Zhentang.- 2002. 21p.
Author(s): Kohnert, Dirk.- 1988. 13p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1970. 44p.
Author(s): Hoffmann, Bert.- 2008. 8p.
Author(s): Gerth, Werner.- 1967. 31p.