Amarjargal, Sharav, and Gankhuyag Bulgan. “On the Modernization of National Geodetic Network With GNSS CORS Reference Frame”. Mongolian Geoscientist, no. 48 (July 4, 2019): 28–39. Accessed November 21, 2024. https://mongoliajol.info/index.php/MGS/article/view/1146.