Quan, Dang, Nguyen Tai Tue, Pham Thao Nguyen, Luu Viet Dung, & Tran Dang Quy. " Reconstruction of Paleoenvironmental Changes in Ao Tien Lake, Ba Be National Park Using Stable Isotope Analysis." VNU Journal of Science: Earth and Environmental Sciences [Online], 34.2 (2018): n. pag. Web. 18 Nov. 2024