Sloane, Andy,  1954- <br/><br/>
Computer communications :  principles and business applications / 
Andy Sloane. 
 - 2nd ed. 
 - London :  McGraw-Hill,  c1999. 
 - xvi, 378 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0077094433  RM157.79 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks.<br/>Communications software.