Ronayne/John  <br/><br/>
Introduction to digital communication and switching 

 - Allahabad  Wheeler publishing  1992 
 - 238 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>digital
<br/><br/><label>Dewey Class. No.: </label>621.38179  / RON