00321nam a2200133Ia 4500008004100000020001800041082000800059082001000067100002000077245003300097260001400130260003400144260000900178230118s9999||||xx |||||||||||||| ||und||  a81-203-0882-4  a621  bSEN/O  ajohn  mbsenior 0aoptical fiber communications  anew delhi  bprentic hall of india pvt ltd  c2004