000 00244nam a2200109Ia 4500
008 160921s9999 xx 000 0 und d
100 _aKULSRESHTHA,A.K.
245 _aVIGYAN SHIKSHAN
260 _bSURYA PUB
_c2010
300 _a328
942 _cBK
999 _c31581
_d31581