00379nam a22001337a 4500082001800000100001700018245008300035260004100118300001900159650001400178650001000192650002400202700001900226  a531   bHAR/M  aHaridas, A K  aMechanics, relativity, waves and oscillations/cA K Haridas and K Sundareswari  aCalicut:bCalicut University,c2011.  a168p. ;b25cm.  aMechanics  aWaves  aSecond Semester BSc  aSundareswari K