TY  - BOOK
AU  - Gelman Andrew
AU  -  Hill Jennifer
TI  - Data analysis using regression and multivel /hierarchical models
T2  - (Analytical Methods for Social Research )
SN  - 0521867061
U1  - X :(B2898), P7 
PY  - 2007///
CY  - New York
PB  - Cambridge University Press       
KW  - Economics
N1  - Bibliography P 575-600; Appendix P547-574
ER  -