Chi, C.T., Geissman, J.W., Quy, H.V., Dung, N.T.P. and Hoc, N.T. 2014. New paleomagnetic results of upper Permian - lower Triassic volcanic sequences from the Hoa Binh area, northwest Vietnam. Vietnam Journal of Earth Sciences. 36, 4 (Dec. 2014), 413–423. DOI:https://doi.org/10.15625/0866-7187/36/4/6429.