000 00305nam a2200121Ia 4500
008 221001s1971 xx 000 0 eng d
082 _a311.2 GUP
100 _aGupta, Satyaprakash
245 0 _aSankhyiki ke siddhant
260 _aDelhi
_bSultan Chand & Sons.
_c1971
300 _av, 627p.
942 _2ddc
_cBK
999 _c6710
_d6710