Understanding data communications.
Contributors: Friend, George E.
Edition: 4th ed. / rev. by Gilbert Held.
Publisher: Sams Pub.
Published: 1994
Place of publication: Indianapolis, Ind
Language: eng
Number of pages: 435
Subjects: Data transmission systems; Computer networks
Notes: Includes bibliographical references (p. [403]-404) and index.
Previous eds. written by George E. Friend ... et al.