TY  - BOOK
ED  - India.
TI  - Report on survey of labour conditions in coal mining industry in India
AV  - HD8039.M62I425 
U1  - 331.7/62/233 
PY  - 1967///]
CY  - [New Delhi
KW  - Coal miners
KW  - India
N1  - Bibliographical footnotes
ER  -