000 00317nam a2200145 4500
020 _a9788174825254
082 _a507
_bSHA/U
100 _aSharma, H P
245 _aUpkar's general science
260 _aAgra
_bUpkar prakashan
300 _a352p
650 _ageneral science
700 _aSingh, A P
942 _cBK
999 _c56805
_d56805