TY  - BOOK
AU  - Bandyopadhyay,C.
AU  - Dhar,A.
ED  - Central Mining Research Station
TI  - Study of sidero-silicosis problem in an iron oremine
U1  - 622.(54) 
PY  - 1972///
CY  - Dhanbad
PB  - Central Mining Research Station
N1  - Include bibliography-p.20
ER  -