Stamper, David A. <br/><br/>
Business data communications / 
David A. Stamper 
 - 4th ed. 
 - Redwood City, Calif. :  Benjamin/Cummings Pub. Co.,  1994 
 - xxviii, 608 p. :  ill. ;  26 cm. 
<br/><br/><label>ISBN: </label>0805377158 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission system<br/>Computer network