TY  - BOOK
AU  - International labour office
ED  - International labour office
TI  - Sources and methods labour statistics:  Estimates and projections of the Economically active population 1950-2010   
U1  - X:9.1.P10<--N50r, P0.10 
PY  - 1950///
CY  - Geneva
PB  - ILO          
ER  -