TY  - BOOK
AU  - George, Darren
AU  - Mallery, Paul
TI  - SPSS for Windows: Step by Step, A Simple Guide and Reference
SN  - 0205375529
U1  - WA 950 
PY  - 2003///
CY  - Hemel Hempstead
PB  - Allyn & Bacon
KW  - Public Health
N1  - Includes references and index
ER  -