Proceeding of the symposium on scientific utilization of coal in India page 1-140 ( with two plates )
Wadia, D.N.
Proceeding of the symposium on scientific utilization of coal in India page 1-140 ( with two plates ) - New Delhi 1953 - 1-140 p. - Proceeding, National Institue of Science of India. Bulltein No. 2 .
Proceeding of the symposium on scientific utilization of coal in India page 1-140 ( with two plates ) - New Delhi 1953 - 1-140 p. - Proceeding, National Institue of Science of India. Bulltein No. 2 .