Hits 1-3 within 3 documents
Hits 1-3 within 3 documents
Author(s): Mühlhausen, Aribert; Schmidt, Georg; Süße, Heinz; Starke, Kurt.- 1969. 125p.
Author(s): Friedrich, Walter; Müller, Harry; Süße, Heinz.- 1969. 518p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1968. 152p.