00565ca0 a2200229ua 45000010006000000050017000060070003000230080041000260200026000670400009000930410014001020820013001161000026001292450048001552500013002032600046002163000018002623650011002805040009002915410023003006500012003231547320180503180741.0ta071224s2007           g     b000 u eng u  a81 7319 847 2cRs.395  aMAIN1 aenghNULL14a539bSax1 aSaxena, AK  .eAuthor10aPrinciples of Modern Physics / cAK Saxena.  a2nd /b.  aNew Delhi :bNarosa publishing  , c2007.  a791 ; cNULL.  aRs.395  aNULL  e19529     hRs.395 0aPhysics