TY  - BOOK
ED  - International Labour Office
TI  - Year book of labour statistics =: anuario de estadisticas del trabajo = annuaire des statistiques du travail 
U1  - 331 23
PY  - 1970///].
CY  - Geneva: 
PB  - International Labour Office, 
KW  - International Labour Office
KW  - Labor
KW  - Statistics
ER  -