[1]Hoang, N. et al. 2015. Geochemistry of Neogene Basalts in the Nghia Dan district, western Nghe An. <i>Vietnam Journal of Earth Sciences</i>. 36, 4 (Jun. 2015), 403–412. DOI:https://doi.org/10.15625/0866-7187/36/4/6428.