000 00240nam a2200097Ia 4500
008 190719s9999 xx 000 0 und d
100 _aS C Aggarwal/ J P Gupta
245 0 _aVipannan prabandh
260 _aDelhi
_bDhanpat Rai
_c1990
942 _cBK
999 _c7831
_d7831