InstitutionZentralinstitut für Jugendforschung (ZIJ) (2)AuthorMehlhorn, Hans-Georg (1)Date Issued
1983 (2)
Document Typeresearch report (2)KeywordDDR (2)
Erfindung (2)
German Democratic Republic (GDR) (2)
Innovation (2)
innovation (2)...view moreReviewreviewstatus unknown (2)Publication Status
Unknown (2)