00321nam a2200109Ia 4500008004100000082002100041100001900062245004600081260004800127300001500175650002100190140113s9999    xx            000 0 und d  a311.213.2:312 H9  a"Yates, Frank"  aSampling methods for censuses and surveys  b"London : Charles Griffin & company , 1949"  a"HB, 318p"  aSampling methods