00872nam0-22003131i-450-99000048655040332120071211133048.00-471-28915-9000048655FED01000048655(Aleph)000048655FED0100004865520020821d1976----km-y0itay50------baenga-------001yyOptical communicationsRobert M. Gagliardi, Sherman KarpNew YorkWiley & sonsc1976432 p.ill.23 cmComunicazioni ottiche621.380'414Gagliardi,Robert M.26441Karp,Sherman26442ITUNINARICAUNIMARCBK99000048655040332110 E II 2308979DINELDINELOptical communications332474UNINA