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