Hits 1-5 within 5 documents
Hits 1-5 within 5 documents
Author(s): Krebs, Dagmar; Schuessler, Karl F..- 1986. 24,2p.
Author(s): Strack, Fritz; Martin, Leonhard L.; Schwarz, Norbert.- 1987. 33,3p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1976. 64p.
Author(s): Erbslöh, Barbara; Wiedenbeck, Michael.- 1988. 66,6p.