000 00289nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a311-213.2
_bCOC
100 _aCochran, William C
245 0 _aSampling techniques
260 _aBombay
_bAsia
_c1962
650 _aSampling
942 _cBK
999 _c20239
_d20239