000 00263nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aH C Mehrotra
245 0 _aAayekar viddhaan tatha lekhe
260 _aAgra
_bSahitya Bhawan
_c1987
650 _aMath
942 _cBK
999 _c6154
_d6154