000 00415nam a2200181Ia 4500
001 10313
008 141107s9999 xx 000 0 und d
020 _a0 85226 121 7
050 _aQA 276.6.C61977
100 _aCochran William
245 _aSampling Techniques
250 _a3
260 _aNew Delhi
260 _bWiley Eastern Ltd
260 _c1977
300 _a,;ill.
650 _aSampling Statistics
999 _c43099
_d43099