Vignault, Walter L. <br/><br/>
Worldwide telecommunications guide for the business manager / 
Wal ter L. Vignault. 
 - New York :  Wiley,   c1987. 
 - xvi, 417 p. :  ill. ;   25 cm. 
 - Wiley series in telecommunications .
<br/><br/> "A Wiley-Interscience publication." 
<br/><br/>Includes bibliographical references ( p. 378-382) 
<br/><br/><label>ISBN: </label>0471858285 
<br/><br/><label>LCCN: </label>87-002002 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business-- Communication systems.<br/>Telecommunication systems.<br/>Telephone in business.
<br/><br/><label>Dewey Class. No.: </label>384