From dung & wood to coal.

From dung & wood to coal. - [New Delhi, Coal Utilization Council, 1967] - 60 p. 24 cm. - Domestic energy series, no. 1 .

sa 68016466 //r83


Fuel--India.
Farm manure--India.

TP317.I4 / F7

631.8/61/0954

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