000 00320nam a2200121Ia 4500
008 190829s9999 xx 000 0 und d
082 _a519.52
_bCOC/S
100 _aCOCHRAN, William G.
245 0 _aSAMPLING TECHNIQUES
250 _a3rd Ed.
260 _bWiley Eastern Limited, New Delhi
_aNew Delhi
_c1984
942 _cBK
999 _c10273
_d10273