Black, Uyless D. <br/><br/>
The V series recommendations :  protocols for data communications over the telephone network / 
Uyless Black 
 - New York :  McGraw Hill Education,  c1991 
 - xviii, 186 pages :  illustrations ;  24 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>70055521 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COMPUTER NETWORK PROTOCOLS -- STANDARDS
<br/><br/><label>LC Class. No.: </label>TK 5105.5 .B53 1991