Doll, Dixon R. <br/><br/>
Data communications :  facilities, networks, and systems design / 
Dixon R. Doll. 
 - New York :  Wiley,  c1978. 
 - ix, 493 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0471217689 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems.<br/>Computer networks.
<br/><br/><label>Dewey Class. No.: </label>384  / DOD 1978