000 00300nam a2200121Ia 4500
008 221001s1974 xx 000 0 eng d
082 _a910.02 GUP (H)
100 _aGupta, A. Das
245 0 _aBhugol ke bhautik siddhant
260 _aDelhi
_bS. Chand
_c1974
300 _aiv, 431p.
942 _2ddc
_cBK
999 _c26215
_d26215