000 00424nam a2200145Ia 4500
008 151015s9999 xx 000 0 und d
020 _a852261217
050 _aQA 276.5 .C6 1977
245 _aCochran,Williiam G.
250 _a_Sampling Techniques William G.Cochran
300 _aNew Delhi Wiley Eastern ltd 1977
500 _aIncludes index.
650 _a_Sampling techniques
700 _a^d20110718 03:38:51^okilerai
999 _c759
_d759