Minerals and Metals in Ancient India v1.c25.s7.42
Minerals and Metals in Ancient India v1.c25.s7.42
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v1.c25.s7.42
Raghunandan, K.R., Dhruva Rao, B.K. and Singhal, M.L., 1981, “Exploitation for Copper, Lead and Zinc Ores in India”, In Bulletin of the Geological Survey of India, Series A. Economic Geology, No. 47.