William L. Schweber <br/><br/>
Data Communications  

 - New York:  McGraw -Hill,  1988. 
<br/><br/><label>ISBN: </label>9780070010970 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data Communications 
<br/><br/><label>Dewey Class. No.: </label>004.6  / SCH