NCOS1/AF graphic representation and analysis sylstem  N6970 driv 

 -  Tokyo : NEC  1988 
 - 67 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Grans;y representation and analysis system : GRANSY Two dim
<br/><br/><label>Dewey Class. No.: </label>519.68/12  / NS