Starr, Thomas <br/><br/>
Understanding digital subscriber line technology / 
Thomas Starr, John M. Cioffi and Peter Silverman. 
 - Upper Saddle River, NJ :  Prentice Hall PTR,  c1999. 
 - xviii, 474 p. : 
<br/><br/><label>ISBN: </label>0137805454 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digital telephone systems.
<br/><br/><label>Dewey Class. No.: </label>621.3878  / Un