Martin,H.E <br/><br/>
Communication with ISDN 

 - 1st 
 - New Delhi  Galgotia Publications Pvt.Ltd  1991 
 - 329 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Engineering
<br/><br/><label>Dewey Class. No.: </label>621.381  / MA-C