Ali, Syed Riffat <br/><br/>
Digital switching system:  system reliability and analysis / 

 - New Delhi:  Tata McGraw- Hill,  2002. 
 - xv, 219 p., 
<br/><br/><label>ISBN: </label>0070483906 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telephone switching system.
<br/><br/><label>Dewey Class. No.: </label>621.387