Voice and Data Communications Handbook
Bates, Regis J.
Voice and Data Communications Handbook Regis J. Bates & Donald W. Gregory - 5th ed. - New York: McGraw-Hill, 2007 - 644 p.
(cb.)
Voice and Data Communications Handbook Regis J. Bates & Donald W. Gregory - 5th ed. - New York: McGraw-Hill, 2007 - 644 p.
(cb.)
