Networking standards : a guide to OSI, ISDN, LAN, and MAN standards / William Stallings. Stallings, William. Computer networks Standards. Data transmission systems Standards. TK5105.5 .S73 1993 004.62 20 STN Includes bibliographical references (p. 625-627) and index. Reading, Mass. : Addison-Wesley, c1993. c1993. 1993 Text xv, 646 p. : eng