Ronayne, John P <br/><br/>
Introduction to digital communications switching 

 - 2 
 - Allahabad  Wheeler Publishing  1992 
 - 238p.   
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>8185614660 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication transmission<br/>Digital communications