000 00268nam a2200109Ia 4500
008 230125s9999 xx 000 0 und d
100 _aSHARMA TIWARI SHARMA
_914134
245 0 _aVIGYAN 2ND SEM
260 _bRADHA PRAKASHAN AGRA
_c2014
300 _a256
942 _cBK
999 _c112032
_d112032