T. T. Huong and N. Hoang, Petrology, geochemistry, and Sr, Nd isotopes of mantle xenolith in Nghia Dan alkaline basalt (West Nghe An): implications for lithospheric mantle characteristics beneath the region, Vietnam J. Earth Sci. 40 (2018) 207–227. DOI: https://doi.org/10.15625/0866-7187/40/3/12614.