Talley, David <br/><br/>
Basic carrier telephony/ 
David Talley 
 - 2nd rev. ed. 
 - Bombay:  D.B. Taraporevala,  c1980 
 - v, 198 p.;  21 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> $ 6.85 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telephone<br/>Telephone systems<br/>Telephone, carrier current<br/>Electric filters
<br/><br/><label>Dewey Class. No.: </label>621.385