@periodical{UBHD-57105973, organization={Baden-W{\"u}rttemberg and Statistisches Landesamt Baden-W{\"u}rttemberg}, title={Statistische Berichte Baden-W{\"u}rttemberg}, publisher={Statistisches Landesamt Baden-W{\"u}rttemberg}, address={Stuttgart}, year={1993-1998}, language={ger}, issn={1433-2507}, library={WS [Signatur: O II 98-H II 1]}, }