Systat 8.0 :   language reference 

 - Chicago :  SPSS Inc,  1998. 
 - 268 p. ;  32 cm. 
<br/><br/><label>ISBN: </label>1-56827-221-9 
<br/><br/><label>Subjects--Index Terms: </label>Systat 8.0 - Manual. 
<br/><br/><label>Dewey Class. No.: </label>519.5 SYS  / 393