Transition from analogue to digital networks :
Transition from analogue to digital networks : case study of a metropolitan area (Istanbul, Turkey) : case study for an ISDN network (Maracaibo, Venezuela) : case studies of rural areas (Hatton-Nawalapitiya, Sri Lanka and La Lekie, Cameroon) /
ITT World Communications Inc.
- Geneva : International Telecommunication Union : International Telegraph and Telephone Consultative Committee, c1983.
- 360 p. : ill. ; 30 cm.
At head of title: GAS 9.
9261019315 (pbk.) 9261038816
85214596
Digital communications.
621.3851
621.3851
At head of title: GAS 9.
9261019315 (pbk.) 9261038816
85214596
Digital communications.
621.3851
621.3851