Ronaynne, John <br/><br/>
The integrated service digital network , from concept to application 

 - ALLAHBAD  WHEELER  1993 
 - 230P 
<br/><br/><label>ISBN: </label>81-85814-08-2 
<br/><br/><label>Dewey Class. No.: </label>621.3192 RON'J