Huu Nghia, Huynh, Tran Van Nhac, and Nguyen Thanh Van. “DETERMINATION OF THE GEOID HEIGHTS BY ANOMALIES OF POTENTIAL DEDUCED FROM A NORMAL GRAVITY FORMULA”. Science and Technology Development Journal 6, no. 1&2 (February 28, 2003): 34-38. Accessed July 3, 2024. https://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/3303.