TY  - BOOK
AU  - Lewis-Beck, Michael S.
TI  - Data analysis : an introduction
SN  - 0-8039-5772-6
U1  - 300.15195 LEW-; 
PY  - 1995///
CY  - London
PB  - Sage Publications
KW  - Social sciences - Statistical methods
N1  - Includes bibliography
ER  -