00501cam a2200121 a 4500020002000000082001700020100002200037245004200059260002700101300003800128500002000166650019300186 a0471133027 (hb)00a621.382bFRE1 aFreeman, Roger L.10aTelecommunication system engineering  aNew York bWileyc1996 axxii, 1023 p. b: ill. c; 24 cm. aIncludes index. 0aTelecommunications-Telephone systemsvConventional telephonyvConventional analog switchingvTelecommunication networkvLong-Distance networksvAttenuation distortionvLocal networksvFEAS