000 00286nam a2200121Ia 4500
008 221001s1977 xx 000 0 eng d
082 _a311.2 GUL
100 _aGulshan, S. S.
245 0 _aPractical statistics
260 _aDelhi
_bS. Chand
_c1977
300 _a557p.
942 _2ddc
_cBK
999 _c29758
_d29758