Dipaola, Samuel <br/><br/>
Introduction to low voltage systems 

 -  Cengage Learning  New Delhi  2006 
 - xi, 436p  
<br/><br/> Reprint year 2008. Includes index 
<br/><br/><label>ISBN: </label>9788131508664 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audio physics)<br/>Audio signal-processing<br/>Electrical conductors and cable<br/>Fiber-optic cable<br/>Fire alarm systems<br/>Low voltage systems<br/>National electrical code<br/>Power supplies<br/>Sound wave physics (