Hits 1-4 within 4 documents
Hits 1-4 within 4 documents
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1972. 45p.
Author(s): Pinther, Arnold.- 1977. 43p.
Author(s): Bisky, Lothar; Mehlhorn, Hans-Georg; Starke, Kurt; Voß, Peter.- 1976. 35p.
Author(s): Pinther, Arnold.- 1977. 10p.