Devaraju, T. C., and K. Laajoki. “Mineralogy and Mineral Chemistry of the Manganese-Poor and Manganiferous Iron-Formations from the High-Grade Metamorphic Terrain of Southern Karnataka, India”. Journal of Geological Society of India 28, no. 2&3 (September 1, 1986): 134–164. Accessed September 20, 2024. https://geosocindia.com/index.php/jgsi/article/view/66072.