Hits 1-4 within 4 documents
Hits 1-4 within 4 documents
Author(s): Hartmann, Peter H.; Schimpl-Neimanns, Bernhard.- 1992. 38p.
Author(s): Hauck, Ute; Trometer, Reiner.- 1988. 22,37,4p.
Editor(s): Zentrum für Umfragen, Methoden und Analysen -ZUMA-.- 1999. 402p.