Mike Saplen, Greg Piedmo <br/><br/>
Mastering ISDN/ 

 - 
 -  BPB  1997 
 - 579 
<br/><br/>  
<br/><br/><label>ISBN: </label>81-7029-776-1 
<br/><br/><label>Dewey Class. No.: </label>004.738.5