TY  - BOOK
AU  -  Orley Ashenfelter; David Card
AU  - David Card
TI  - Handbook of labor economics :VOL 4A: VOL 4A
SN  - 9780444534507
AV  - HD4802 .A844 2011
PY  - 2011///
CY  - Amsterdam
PB  - North Holland, 
KW  -  Labor economics
N1  - Includes Index
ER  -