Silver, Gerald A. <br/><br/>
Data communication for business / 
Gerald A. Silver, Myrna L. Silver. 
 - 2nd ed. 
 - Boston :  Boyd & Fraser,  c1991. 
 - xii, 468 p. : ill. 
<br/><br/> Includes glossary and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business--Data processing<br/>Business--Communication systems<br/>Data transmission systems<br/>Computer networks--Planning<br/>Office practice--Automation