Noll, A. Michael. <br/><br/>
Introduction to telephones and telephone systems / 
A. Michael Noll. 
 - Norwood, MA :  Artech House,  c1986. 
 - xi, 177 p. :  ill. ;  23 cm. 
 - The Artech House telecom library .
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. [171]-172. 
<br/><br/><label>ISBN: </label>089006203X (pbk.) 
<br/><br/><label>LCCN: </label>86071566 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telephone systems<br/>Telephone
<br/><br/><label>LC Class. No.: </label>TK6162 
<br/><br/><label>Dewey Class. No.: </label>621.385