000 00297pam a2200121a 44500
008 230405s2004 xxu||||| |||| 00| 0 eng d
041 _aENG
100 _aSingh Harnam
245 _aB.sc Practical Physics
260 _aram nagar
_bs.chand & company ltd
_c2004
300 _a498p.
906 _a11630
999 _c302129
_d302129