Subbarao, K. V.; Kempe, D. R. C.; Reddy, V. V.; Reddy, G. R.; Hekinian, R. (1979): Review of the geochemistry of Indian and other oceanic rocks. Pergamon, Oxford-New York-Toronto, International, In: Ahrens, L. H. (editor), Origin and distribution of the elements, 11, 367-399, georefid:1980-021071