Curtis A Siller,Mansoor Shaffi <br/><br/>
SONET/SDH: as source book of synchronous networking 

 - 
 -  IEEE  1996 
 - 391 
<br/><br/>  
<br/><br/><label>ISBN: </label>0-7803-1168-x 
<br/><br/><label>Dewey Class. No.: </label>004.7