Hits 1-7 within 7 documents
Hits 1-7 within 7 documents
Author(s): Gerth, Werner; Starke, Kurt; Hahn, Jochen.- 1984. 69p.
Author(s): Mühlhausen, Aribert; Thyrolf, Monika; Pfeiffer, U.; Wiedemann, Dieter; Schmidt, G.; Kaftan, Burkhard; Schulze, H.; Bonus, Hans; Neise, Ulrich; Hoffmann, J.; Sieber, W..- 1971. 53p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1982. 7p.
Author(s): Mehlhorn, Hans-Georg.- 1972. 13p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1973. 19p.
Author(s): Stiehler, Hans-Jörg.- 1980. 38p.