Statistical Graphics Corporation. <br/><br/>
Statgraphics :  reference manual / 
by Statistical Graphics Corporation. 
 - Rockville, MD :  STSC,  1991. 
 - xii. 
<br/><br/> Version 5. 
<br/><br/><label>ISBN: </label>0926683063 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statgraphics.<br/>Graphics.<br/>Statistics--Data processing.