Verma, Surendra P., and Salil Agrawal. “New Tectonic Discrimination Diagrams for Basic and Ultrabasic Volcanic Rocks through Log-Transformed Ratios of High Field Strength Elements and Implications for Petrogenetic Processes”. Revista Mexicana De Ciencias Geológicas, vol. 28, no. 1, Jan. 2018, pp. 24-44, https://rmcg.unam.mx/index.php/rmcg/article/view/608.