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Communicated by Prof. L. Rama Rao,f.a.sc.
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Ganju, P.N. The nature of micro-fragmental constituents of the rampur coals. Proc. Indian Acad. Sci. 47, 345–351 (1958). https://doi.org/10.1007/BF03051634
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DOI: https://doi.org/10.1007/BF03051634