Hopkins, Gerald L. <br/><br/>
ISDN literacy book   
by Gerald L. Hopkins 
 - Reading, Massachusetts  Addison-Wesley  1995 
 - xvi, 367p 
<br/><br/><label>ISBN: </label>0201629798 
<br/><br/><label>Dewey Class. No.: </label>004.62  / N957 (CEDT)