HOPGOOD,F.R.A <br/><br/>
INTRODUCTION TO THE GRAPHICAL KERNEL SYSTEM (GKS) 

 - 1 
 - LONDON  AP  1986 
 -  250 
<br/><br/><label>ISBN: </label>NCST  23.95 
<br/><br/><label>Dewey Class. No.: </label>950