TY  - BOOK
AU  - Ashenfelter,Orley 
AU  - Layard,Richard 
TI  - Handbook of labor economics vol.1 & vol.2
T2  - Handbooks in economics 
SN  - 0444878580
U1  - 331 
PY  - 1986///
CY  - Netherlands
PB  - Elsevier Science
KW  - labour economics
KW  - economics
ER  -