InstitutionZentralinstitut für Jugendforschung (ZIJ) (2)Date Issued1977 (1)1974 (1)Document Type
research report (2)
KeywordDDR (2)
German Democratic Republic (GDR) (2)
transportation system (2)
Verkehrswesen (2)
adolescent (1)...view moreReviewreviewstatus unknown (2)Publication StatusUnknown (2)