Krishna Rao, J.S.R. & Malleswara Rao, V books & textbook

OCCURRENCE AND ORIGIN OF GRAPHITE IN PARTS OF EASTERN GHATS, SOUTH INDIA + GEOCHEMISTRY OF GALLIUM IN BAUXITE FROM INDIA

Krishna Rao, J.S.R. & Malleswara Rao, V

Econ Geol /1965T Pamphlet