TY  - BOOK
AU  - George,Darren
AU  - Mallery,Paul
TI  - SPSS for Windows step by step: a simple guide and reference 11.0 update 
SN  - 0205375529
PY  - 2003///
CY  - Boston
PB  - Allyn and Bacon
KW  - SPSS for Windows
KW  - Social sciences
KW  - Statistical methods
KW  - Computer programs
N1  - Includes bibliographical references (p. [379]-380) and index
ER  -