00279nam a2200109Ia 4500008004100000082001500041100001600056245003300072250000900105260004700114300000800161240913s9999||||xx |||||||||||||| ||und||  a621  GHA/I  aAjoy Ghatak 0aIntroduction to fiber Optics  aNULL  bCambridge University PressaNew Yorkc2009  a565