000 00273nam a2200121Ia 4500
008 220201s1974 xx 000 0 eng d
082 _a310
_bGUP
100 _aGupta,S.P.
245 0 _aSaankhiki ke siddhant
260 _bS. Chand & co.
_c1974
300 _a670
942 _2ddc
999 _c2960
_d2960