TY  - BOOK
AU  - Heckman James J
AU  -  Leamer Edward
TI  - Handbook of econometrics
T2  - Handbook in Economics, 2
SN  - 0444861882
U1  - X:(B), M3.1-M6;P1.1/TD 
PY  - 2001///
CY  - Amsterdam
PB  - New York North Holland Publishing Company     
KW  - Econometrics
N1  - Bibliography chapterwise
ER  -