ISDN, DECnet, and SNA Communications.
Howard Sams, Indianapolis IN 1989, stated first edition first printing; 414 pages, index, some illustrations.
Howard Sams, Indianapolis IN 1989, stated first edition first printing; 414 pages, index, some illustrations.
Digital Press (DEC) 1980 stated first printing; 407 pages, Index, appendices; ISBN 0-932376-07-X.
Intertext Publishers, McGraw-Hill Book Co, NY 1989 first edition; 472 pages, index, references, diagrams.