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Hits 1-4 within 4 documents
Author(s): Bisky, Lothar; Stiehler, Hans-Jörg.- 1975. 28p.
Author(s): Stiehler, Hans-Jörg.- 1977. 48p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1973. 24p.
Author(s): Weiß, Anita.- 1978. 22p.