TY  - BOOK
AU  - International labour organisation coal mines (Committee on -)
ED  - International labour organisation coal mines (Committee on -)
TI  - Reports :  Protection of young workers employed underground in coal mines
U1  - X9D3551:911, H8 
PY  - 1948///
CY  - NA
PB  - NA       
KW  - ECONOMICS
ER  -