InstitutionZentralinstitut für Jugendforschung (ZIJ) (1)Author
Kuhnke, Ralf (1)
Lindner, Bernhard (1)Schauer, Heinz (1)Schmidt, Lutz (1)Ulbrich, Klaus (1)...view moreDate Issued1982 (1)Document Typeresearch report (1)KeywordDDR (1)
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