000 00243nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aKumar, Alok
245 0 _aVigyan Shikshan
260 _aMeerut
_bIPH
_c2006
300 _a371p.
942 _cBK
999 _c13062
_d13062