TY  - BOOK
AU  - Sahu, K.C (ed)
AU  - International Conference
TI  - Environmental impact of coal utilization: From raw material
U1  - 363.7/SAH 
PY  - 1991///
CY  - Bombay
PB  - IIT
KW  - Waste management
KW  - Pollution-Environmental aspects
KW  - Social problems, welfare and services
ER  -