TY  - BOOK
AU  - Wooldridge,Jeffrey M.
AU  - Jeffrey M. Wooldridge 
TI  - Econometric Analysis of Cross Section and Panel Data
SN  - 0-262-23219-7
U1  - 330.015195WOE 
PY  - 2002///
CY  - London
PB  - The MIT Press
KW  - Economics
ER  -