Hits 1-10 within 86 documents
Hits 1-10 within 86 documents
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.
Author(s): Friedrich, Walter.- 1974. 27p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1970. 99p.
Author(s): Bonus, Hans.- 1970. 35p.
Author(s): Weisbrod, Monika.- 1970. 30p.
Author(s): Langguth, M.; Schumann, Lothar.- 1972. 66p.
Author(s): Förster, Peter.- 1976. 19p.
Author(s): Mehlhorn, Hans-Georg.- 1972. 13p.
Author(s): Müller, Harry; Schedlich, Heinz.- 1970. 32p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1972. 26p.