000 00433nam a2200205Ia 4500
008 140525s9999||||xx |||||||||||||| ||und||
020 _a81-7450-013-8
100 _aSharma, J.
245 _aScience and technology Class vi
260 _aNew Delhi
260 _bN. C. E. R. T.
260 _c2002
300 _a170
300 _bpb
300 _c8x11
350 _a30
365 _b30
365 _dRupees
923 _n1244
999 _c79072
_d79072