TY  - BOOK
AU  - Freedman, David .A
TI  - Statistical models : theory and practice
SN  - 0521671051
U1  - 519.5 
PY  - 2003///
CY  - New York
PB  - Cambridge University Press
KW  - Social sciences--Statistics--Methodology
KW  - Medical statistics--Methodology
KW  - Regression analysis
KW  - Statistics--Methodology
ER  -