00345nam a2200145Ia 4500008004100000041000800041082002000049100001700069245003000086250001200116260003300128300000800161365001300169700001700182230718s9999    xx            000 0 und d  aeng  a621.382'75bAGA  aAgarwal D.C.  aFibre Optic Communication  a2nd ed.  c1993bWheeler A H Publishing  a428  cRs.b150  aAgarwal D.C.