Geomagnetic study in the area of the constructed geomagnetic observatory in Tosontsengel. Mong. J. Astron. Geophys. [Internet]. 2025 Dec. 30 [cited 2026 Jun. 25];12(1):71-9. Available from: https://www.mongoliajol.info/index.php/MJAG/article/view/5190