000 00424nam a2200169 a 4500
005 20160826095538.0
008 960221s1955 dcuabcdjdbkoqu001 0deng d
082 _a519.243 COC
100 _aCochran, William G.
_93458
245 _a Sampling techniques/3rd ed.
250 _a3rd ed.
260 _aNew Delhi
_bWiley Eastern
_c1977
300 _axvi, 428p
_cBook
653 _aSampling
942 _cBK
003 ViArRB
999 _c177446
_d177446