TY  - BOOK
AU  - Heckman, James J. and Leamer, Edward, ed.
TI  - Handbook of econometrics
T2  - Handbooks of economics; no.2
SN  - 9780444823403
U1  - 330.015195 
PY  - 2001///
CY  - Amsterdam
PB  - North Holland
UR  - http://www.sciencedirect.com/science/handbooks/15734412/5
ER  -