00314nam a2200133Ia 4500008004100000100003800041245003600079250001200115260000900127300000800136650001200144942000700156999001700163190216s9999||||xx |||||||||||||| ||und||  aVaradachara. Ps And Thyagarajan P 0aLight- Ancilliary Physics Vol 2  a1st Ed.  bNull  a418  aPhysics  cBK  c32802d32802