Hits 71-80 within 107 documents
Hits 71-80 within 107 documents
Author(s): Netzker, Wolfgang.- 1980. 35p.
Author(s): Netzker, Wolfgang; Ronneberg, Heinz.- 1975. 47p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1982. 39p.
Author(s): Schubarth, Wilfried.- 1989. 116p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1975. 27p.
Author(s): Bertram, Barbara; Gerth, Werner; Carl, Christine.- 1980. 45p.
Author(s): Ulbrich, Klaus.- 1983. 23p.
Author(s): Mehlhorn, Hans-Georg.- 1974. 23p.
Author(s): Gerth, Werner.- 1975. 10p.
Author(s): Gerth, Werner.- 1967. 31p.