00305nam a2200133Ia 45000030006000000080041000060400015000471000014000622450046000762500011001222600009001335460012001420050017001540STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aYates, F.  aSampling methods for censuses and surveys  aFourth  c1981  aEnglish20220125170040.0