B. Chadwick, V. N. Vasudev, and S. Jayaram, “Stratigraphy and Structure of Late Archaean, Dharwar Volcanic and Sedimentary Rocks and their Basement in a Part of the Shimoga Basin, East of Bhadravathi, Karnataka”, jgsi, vol. 32, no. 1, pp. 1–19, Jul. 1988.