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Hits 1-4 within 4 documents
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1978. 28p.
Author(s): Voß, Peter; Stompler, W..- 1979. 54p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1979. 45p.
Author(s): Wiedemann, Dieter.- 1977. 58p.