Data communication networks : transmission, signalling and switching, network aspects, maintenance and administrative arrangements: recommendations X.40 - X.181 / International Telecommunication Union

PLENARY ASSEMBLY, IX, Melbourne, 1988; UIT

Geneva: ITU, 1989

IX, 473 p. ; 30 cm

Blue Book. Fasc. VIII.3; Vol. VIII

92-61-03681-3

Vária

Redes-de-Telecomunicações; Comunicação de dados

1989

Material Textual Impresso

ENG