Norusis, M. J.  1948-. <br/><br/>
SPSS 6.1 :  guide to data analysis / 
Marija J. Norusis. 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  1995. 
 - 582 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>0134370546  RM101.08 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>SPSS (Computer file).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Statistical methods--Computer programs.