PropertyValue
schema:description
  • Collection Mode: Schriftliche Befragung (de)
  • Collection Mode: Written survey (en)
  • Sampling Procedure: Auswahlverfahren Kommentar Über das Auswahlverfahren liegen keine Angaben vor (de)
  • Sampling Procedure: Sampling Procedure Comment No further information about the sampling procedure and possible further limitations of the sampled population is available (en)
is datasearchkg:schema/collectionMode of
schema:startDate
  • 1967