InstitutionZentralinstitut für Jugendforschung (ZIJ) (3)AuthorMehlhorn, Hans-Georg (2)Date Issued
1984 (3)
Document Typeresearch report (2)working paper (1)KeywordDDR (3)
German Democratic Republic (GDR) (3)
Innovation (3)
innovation (3)
Ausstellung (2)...view moreReviewreviewstatus unknown (3)Publication StatusUnknown (3)