Hits 1-10 within 13 documents
Hits 1-10 within 13 documents
Author(s): Pinther, Arnold.- 1970. 23p.
Author(s): Pinther, Arnold.- 1970. 65p.
Author(s): Bonus, Hans.- 1970. 35p.
Author(s): Weisbrod, Monika.- 1970. 30p.
Author(s): Müller, Harry; Schedlich, Heinz.- 1970. 32p.
Author(s): Hopfer, R.; Schneider, E..- 1970. 19p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1970
Author(s): Hopfer, R.; Wolf, A..- 1970. 26p.
Author(s): Vetter, Berndt.- 1970. 20p.
Author(s): Siegel, Ulrike.- 1970. 25p.