Hits 1-5 within 5 documents
Hits 1-5 within 5 documents
Author(s): Wiedenbeck, Michael.- 1984. 43p.
Author(s): Carroll, Glenn R..- 1982. 61p.
Author(s): Rothe, Günter.- 1989. 35,5p.
Author(s): Braun, Michael; Trometer, Reiner; Wiedenbeck, Michael.- 1989. 57, 4p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1988. 22p.