Shelly, Gary B. <br/><br/>
Business data communications :  introductory concepts and techniques / 
Gary B. Shelly, Thomas J. Cashman, Judy A. Hill. 
 - Danvers, Mass. :  Boyd & Fraser Pub. Co.,  c1995. 
 - xvi, 336 p. :  ill. (some col.) ;  28 cm. 
 - Shelly Cashman series .
 - Shelly, Gary B.  Shelly Cashman series. .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0877095078 
<br/><br/><label>LCCN: </label>95150892  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business enterprises--Communication systems.<br/>Data transmission systems.<br/>Business enterprises--Computer networks.
<br/><br/><label>LC Class. No.: </label>HD30.335  / .S54 1995