000 00416nam a2200145Ia 4500
008 151021s9999 xx 000 0 und d
020 _a852261217
050 _aQA 276.5 .C6 1977
245 _a_Sampling Techniques William G.Cochran
260 _aNew Delhi Wiley Eastern ltd 1977
300 _axvi,422p.
500 _aIncludes index.
650 _a_Sampling techniques
980 _a^d20110718 03:38:51^okilerai
999 _c6072
_d6072