Black, Uyeless. Computer networks : protocols, standards, and interfaces. - 2nd ed. - New Delhi : Prentice Hall of India private Limited, 1993.. - xii, 436 p. : ill. ; 23 cm. Includes bibliographical and index. ISBN: 9788120310414 Subjects--Topical Terms: Computer .Networks. Dewey Class. No.: 004.6 BLA