Stamper, David A. <br/><br/>
Business data communications  
David A. Stamper. 
 - 4th ed. 
 - Redwood City, Calif. :  Benjamin/Cumming,  c1994. 
 - xxviii, 608 p. :  ill. ;  27 cm. 
<br/><br/><label>ISBN: </label>0-8053-7715-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems<br/>Computer networks
<br/><br/><label>Dewey Class. No.: </label>004.6