DAS, APURBA <br/><br/>
LINE COMMUNICATION SYSTEM : TELECOMMUNICATION SWITCHING APPROACH. 

 - 2nd ed.  2010 
 - NEW DELHI  NEW AGE INTERNATIONL PUBLISHERS 
 - 266 
<br/><br/><label>Subjects--Topical Terms: </label><br/>  LINE COMMUNICATION SYSTEM
<br/><br/><label>Dewey Class. No.: </label>621.382.382  / DAS