TY  - BOOK
ED  - International Labour Office.
TI  - Yearbook of labour statistics: annuire des statistiques travail, annuario de estadisticas del Trabajo 
AV  - HD4826 .Y435
U1  - 331 
PY  - 1961///
CY  - Geneva
PB  - International Labour Office
KW  - Labor
KW  - Statistics
KW  - Periodicals
ER  -