Dy ND, Luong LD, Tao NV, Thanh Ha TT, Anh NTT, Cuong NM. Gelasian stage and expected stratigraphical units having similar ages in Viet Nam. Vietnam J. Earth Sci. [Internet]. 2015 Jun. 19 [cited 2024 Nov. 22];36(1):90-3. Available from: https://vjs.ac.vn/index.php/jse/article/view/4146