Hits 1-8 within 8 documents
Hits 1-8 within 8 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): Kaftan, Burkhard.- 1971. 26p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1971. 36p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1971. 51p.
Author(s): Bonus, Hans.- 1971. 67p.
Author(s): Mühlhausen, Aribert; Neise, Ulrich.- 1971. 62p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1971. 29p.
Author(s): Friedrich, Walter; Klohr, Olof; Förster, Peter.- 1971. 44p.