00481nam a2200169Ia 4500008004100000020001500041082001600056100002300072245004800095260005100143300000800194650001600202650001800218653002600236653002600262700002300288170901s1977    xx            000 0 und d  a0471025631  a519.5bC34F  aSarndal, Carl-Erik 0aFoundations of Inference in Survey Sampling  aLondonbA Wiley Interscience Publicationc1977  a192  aMathematics  aPure Sciences  aSampling (Statistics)  aStatistical inference  aWretman, Jan Hakan