Basic guide to data communications / 
edited by Ray Sarch. 
 - New York :  McGraw-Hill Information Systems,  c1985. 
 - iv, 361 p. :  ill. ;  28 cm. 
 - Data communications book series .
<br/><br/> A collection of articles from Data communications magazine. 
<br/><br/><label>ISBN: </label>0076056031 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems.<br/>Computer networks.