Proceedings of the symposium on the nature of coal, Jealgora, India, 7-9 Feb., 1959
Council of Scientific and Industrial Research
Proceedings of the symposium on the nature of coal, Jealgora, India, 7-9 Feb., 1959 - - Jealgora CFRI, 1959 - viii,321 p. 24 cm - .
0
Coal-Congresses
662.66:552.57 Cou:59
Proceedings of the symposium on the nature of coal, Jealgora, India, 7-9 Feb., 1959 - - Jealgora CFRI, 1959 - viii,321 p. 24 cm - .
0
Coal-Congresses
662.66:552.57 Cou:59