TY  - BOOK
ED  - SPSS Inc.
TI  - SPSS 6.1 for Windows: brief guide 
SN  - 0134556771
PY  - 1995///
CY  - Chicago, Ill.
PB  - SPSS Inc.
KW  - SPSS for windows
KW  - Social sciences
KW  - Statistical methods
KW  - Computer programs
N1  - At head of title: SPSS
ER  -