TY  - BOOK
AU  - Lewis-Beck, Michael S.
TI  - Applied regression: : an introduction 
T2  - Quantitative Applications in the Social Sciences
SN  - 9780803914940
U1  - 300.727 
PY  - 1983///
CY  - California
PB  - Sage
KW  - RES
KW  - Interaction effects
ER  -