TY  - BOOK
TI  - SPSS for windows step by step/ 
SN  - 205283950
AV  - HA 32 .G458 1999  
PY  - 1999///.
CY  - Boston: 
PB  - Allyn and Bacon
KW  - SPSS for windows
N1  - Includes index.; Includes index.
ER  -