Stallings, william.  <br/><br/>
Isdn and broadband isdn  

 - 2nd ed. 
<br/><br/><label>ISBN: </label>0029463998 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Intergrated services digital networks 
<br/><br/><label>Dewey Class. No.: </label>004.6 STA