TY  - GEN
AU  - Norusis, Marija J.
TI  - SPSS 9.0 guide to data analysis
AV  - HA31 Nor.
PY  - 1999///
PB  - Prentice Hall
KW  - SPSS (Electronic computer system)
KW  - Statistics - Data processing
N1  - 8687
N2  - Includes diskette
ER  -