The economics of coal washing in India
Ghosh, Amiya Bhushan.
The economics of coal washing in India [by] A. B. Ghosh. - [1st ed.] - Calcutta, New Age Publishers [1966] - 144, 25, xii p. 23 cm.
Bibliography: p. [i]-xii.
sa 66006896
Coal washing.
TN816 / .G48
338.272
The economics of coal washing in India [by] A. B. Ghosh. - [1st ed.] - Calcutta, New Age Publishers [1966] - 144, 25, xii p. 23 cm.
Bibliography: p. [i]-xii.
sa 66006896
Coal washing.
TN816 / .G48
338.272