000 00271nam a2200121Ia 4500
008 201228s9999 xx 000 0 und d
100 _aSHARMA JOSHI
_97275
245 0 _aSCIENCE AND TECHNOLOGY
250 _a1st
260 _bNCERT
_c2003
300 _a170
942 _cBK
999 _c100791
_d100791