High bit-rate digital subscriber line (HDSL)  [videorecording] 

 - Piscataway, N.J. :  Bell Communications Research,  1992 
 - 1 videocassette (VHS) (21 min.) :  sd., col. ;  1/2 in. +  1 viewer's guide 
 - New transport technology series [videorecording] .
<br/><br/><label>ISBN: </label> RM 362.87 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digital communications<br/>Signal processing--Digital techniques