00313nam a2200133Ia 4500008004100000020001800041082000800059082001000067100001700077245003300094260001400127260002900141260000900170230118s9999||||xx |||||||||||||| ||und||  a81-219-2317-4  a621  bAGA/F  ad.cbagarwal 0afiber optical communications  anew delhi  bs. chand and company ltd  c2004