Hits 121-130 within 319 documents
Hits 121-130 within 319 documents
Author(s): Mehlhorn, Hans-Georg.- 1972. 13p.
Author(s): Müller, Harry; Schedlich, Heinz.- 1970. 32p.
Author(s): Bauer, Michael; Schiller, Thomas.- 2012. 3p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1972. 26p.
Author(s): Busch-Geertsema, Volker.- 2002. 30p.
Author(s): Meurs, Wim van.- 2002. 7p.
Author(s): Hoffmann, Achim.- 1972. 22p.
Author(s): Hopfer, R.; Schneider, E..- 1970. 19p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1972. 18p.
Author(s): Friesendorf, Cornelius; Krempel, Jörg.- 2011. 37p.