TY  - BOOK
ED  -  International Labour Organization.
TI  -  Hours of work in coal mines : : item II on the  agenda
PY  - 1931///
CY  -  Geneva : 
PB  -  International Labour Office, 
KW  -  Coal mines and mining
KW  -  Hours of labor
KW  -  Coal miners
KW  -  Lignite
N1  -  At head of title: Report 2. International Labour Conference. 15th se ss., Geneva, 1931
ER  -