Ali, Syed Riffat. <br/><br/>
Digital switching systems  system reliability and analysis 
Syed Riffat Ali. 
 - New York  McGraw-Hill  c1998. 
 - xv, 217 p.  ill.  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0070010692 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digital telephone systems--Reliability.<br/>System analysis.<br/>Telephone switching systems, Electronic--Reliability.