TY  - BOOK
AU  - George, Darren
AU  - Mallery, Paul
TI  - SPSS for Windows Step by Step: a simple guide and reference 15.0 update
SN  - 0205316557
U1  - 001.422 GEO 
PY  - 1999///
CY  - USA
PB  - Allyn and Bacon
KW  - SPSS for Windows
N1  - <p>Table of Contents 1. An Overview of
ER  -