TY  - GEN
AU  - Voelrl, Kristin E.
AU  - Gerber, Susan B.
TI  - Using SPSS for windows
SN  - 0387985638
PY  - 1999///
CY  - New York
PB  - Springer
KW  - SPSS for windows
KW  - Social sciences - Statistical - Methods computer programs
ER  -