00248nam a2200121Ia 4500100001800000250000600018654001200024245002000036260003700056082001300093300000800106546001200114  aDoiphode/V.R   a6  aPhysics  aApplied Physics  bPune vidyarthi grihaaPunec1992  a530bDOI  a352  aENGLISH