Silver, Gerald A. <br/><br/>
Data communications for business /  [Book]. 
Gerald A. Silver, Myrna L. Silver. 
 - Boston :   Boyd & Fraser,   1987. 
 - xvi, 412 p. :   ill. (some col.) ;   24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0878352309 
<br/><br/><label>LCCN: </label>86028309 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business--Communication systems.<br/>Data transmission systems.