A regional geomagnetic field model for China based on Swarm satellite data and 3D Legendre polynomials
Bo ZHU, Houpu LI, Libo ZHU, Shaofeng BIAN, Cheng CHEN
Acta Geodaetica et Cartographica Sinica . 2025, (3): 461 -472 .  DOI: 10.11947/j.AGCS.2025.20240379