TY  - BOOK
ED  - Coal Utilization Council,
TI  - From dung and wood to coal
U1  - 531.875 
PY  - 1967///
CY  - Delhi
PB  - Coal Utilization Council
KW  - Farm manure
KW  - Fuel
KW  - Manures
KW  - Force and energy
ER  -