Ronayne John  1935 <br/><br/>
The integrated services digital network :  from concept to application / 
John Ronayne 
 - London :  Pitman,  1987 . 
 - vi, 230 p ;  25 cm 
<br/><br/><label>ISBN: </label>0273026771 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Integrated services digital networks
<br/><br/><label>LC Class. No.: </label>TK5105.5