000 00319nam a2200133Ia 4500
008 160316s1976 xxu||||| |||| 00| 0 eng d
020 _a
100 _aCochren , William G
245 _aStatistical Methods ,
250 _a6th
260 _aNEW DELHI
_bOXFORD AND I B H PUB -CO
_c1976
300 _a593
700 _a
_a
999 _c21108
_d21108