Syed Riffat Ali <br/><br/>
Digital switching system /  system reliability and analysis 
Syed R. Ali 
 - New York  McGraw Hill  1997 
 - xv, 219p.  ill.  24cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0070010692  RM248.32 9780070010697 
<br/><br/><label>Subjects--Topical Terms: </label><br/>System analysis<br/>Telephone switching systems