Kreager, Paul S. <br/><br/>
Practical aspects of data communications / 
Paul S. Kreager. 
 - New York :  McGraw-Hill,  c1983. 
 - xii, 201 p. :  ill. ;  24 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0070354294 
<br/><br/><label>LCCN: </label>82012552 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems<br/>Computer networks
<br/><br/><label>Dewey Class. No.: </label>621.38