Hoang*, N.; Huong, T. T.; Ogasawara, M.; Anh, L. D.; Mai, N. T.; Thu, N. T.; Thang, C. S.; Dung, L. T. P. Petrography and Geochemistry of Permian Basalts of the Cam Thuy Formation and Their Relation to Song Da and Emeishan Magmatic Rocks. Vietnam J. Earth Sci. 2016, 38, 372-392.