000 00262nam a2200109Ia 4500
008 230210s9999 xx 000 0 und d
100 _aBhatnagar, A.B.
_918943
245 0 _aVigyan Shikshan
260 _bSurya Publication
_c2010
300 _a328
942 _cBK
999 _c118404
_d118404