Preliminary report on coal suitable for the manufacture of synthetic petroleum
Dutt, A.B.
Preliminary report on coal suitable for the manufacture of synthetic petroleum - Calcutta 1950 - 1-107 p. & 7 plates - No. 1; Bulletins of the Geolo .
553.94:665.5
Preliminary report on coal suitable for the manufacture of synthetic petroleum - Calcutta 1950 - 1-107 p. & 7 plates - No. 1; Bulletins of the Geolo .
553.94:665.5