000 00255nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aM.K. Gupta
245 0 _aLekhankan ke siddhant
260 _aDalhi
_bShraa Mahavir
_c2014
300 _a679
942 _cBK
999 _c14874
_d14874