Hung, Pham Nam, Cao Dinh Trieu, Le Van Dung, Phan Thanh Quang, and Nguyen Dac Cuong. 2017. “Gravity Terrain Correction for Mainland Territory of Vietnam”. Vietnam Journal of Marine Science and Technology 17 (4B):145-50. https://doi.org/10.15625/1859-3097/17/4B/13002.