Boucher, James R.,  1932- <br/><br/>
Voice teletraffic systems engineering / 
James R. Boucher 
 - Norwood, Mass. :  Artech House,  1988 
 - 165 p. :  ill. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0890063354 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication--Traffic