TY  - GEN
AU  - 
AU  - RAMANATHAN, N.L. Et.El.
TI  - Enviornmental Management of Mining Operation
U1  - 363.7/RAM 
PY  - 1981///
CY  - NEW DELHI
PB  - Department of Environment, Govt. of India Pub
N1  - ECOLOGY; ENVIRONMENT; MINING OPERATION
ER  -