00367nam a2200133Ia 4500008004100000100006300041245003600104250001200140260003600152300000900188650001200197942000700209999001700216190216s9999||||xx |||||||||||||| ||und||  a"Ramamoorthi.S,  Krishnamoorthy.Ks,  And Pr   Rajagopalan" 0aGeometrical And Physical Optics  a6th Ed.  bNational Publishing Housec1970  a437p  aPhysics  cBK  c32790d32790