Schweber, William L. <br/><br/>
Data communications  
William L. Schweber. 
 - New York :  McGraw-Hill,  c1988. 
 - xi, 564 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0070010978 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems.
<br/><br/><label>Dewey Class. No.: </label>004.6