TY  - BOOK
AU  - Ashenfelter Orley Ed.
AU  -  Layard Richard Ed.
TI  - Handbook of labor economics
T2  - Handbook in Economics. V5
U1  - X:9, M6.1-.2 
PY  - 1986///
CY  - Amsterdam
PB  - North Holland Netherland        
KW  -  Personnel Management
KW  - Labour Economics
ER  -