000 00401nam a2200121Ia 4500
008 160316s9999 xxu||||| |||| 00| 0 eng d
100 _aGupta R C
245 _aStatisical quality control
260 _aDelhi
_bKhanna
_c1981
300 _a815p;21cm
650 _aStatistical quality control
999 _c17710
_d17710