Hits 1-10 within 17 documents
Hits 1-10 within 17 documents
Author(s): Hoffmann, A..- 1974. 44p.
Author(s): Hoffmann, Achim.- 1972. 22p.
Author(s): Lauer, Guido.- 1975. 12p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1977. 37p.
Author(s): Mehlhorn, Hans-Georg.- 1977. 144p.
Author(s): Kasek, Leonhard; Schauer, Heinz; Hoffmann, A.; Starke, Kurt.- 1975. 183p.
Author(s): Hoffmann, Achim; Neise, Ulrich; Schauer, Heinz; Rochlitz, Manfred; Frost, Gudrun; Weiler, Wolfgang.- 1974. 380p.
.- 1973. 195p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1974. 114p.
Author(s): Mühlhausen, Aribert; Neise, Ulrich.- 1971. 62p.