Guide to commercial telecommunications services

Sonraí bibleagrafaíochta
Príomhchruthaitheoir:	Hsu, Jeffrey
Formáid:	LEABHAR
Teanga:	English
Foilsithe / Cruthaithe:	Englewood Cliffs, N.J. Prentice Hall c1989.
Ábhair:	Data transmission systems. Computer networks. Data bases.