PropertyValue
schema:description
  • Collection Mode: Schriftliche Befragung in Gruppensituation (de)
  • Collection Mode: Written survey in a group situation (en)
  • Sampling Procedure: Auswahlverfahren Kommentar Totalerhebung (de)
  • Sampling Procedure: Sampling Procedure Comment Census among employees of the German BP AG and the Oelwerke Julius Schindler GmbH who were 45 years old and older (en)
is datasearchkg:schema/collectionMode of
schema:startDate
  • 1977-11