000 00247nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aKumar, Raj
245 0 _aVigyan
260 _aMeerut
_bNageen Prakashan
_c2010-
300 _a430p.
942 _cBK
999 _c14859
_d14859