Hits 1-10 within 12 documents
Hits 1-10 within 12 documents
Author(s): Mehlhorn, Hans-Georg.- 1972. 13p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1972. 26p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1972. 22p.
Author(s): Gerth, Werner.- 1970. 43p.
Author(s): Weiß, Anita.- 1979. 62p.
Author(s): Schumann, Lothar; Wiedemann, Dieter.- 1970. 52p.
Author(s): Stiehler, Hans-Jörg.- 1977. 21p.
Author(s): Neise, Ulrich.- 1977. 52p.
Author(s): Voß, Peter; Dorn, Harry; Geier, Wolfgang; Ulrich, Gisela.- 1977. 19p.