Application of comprehensive method of BeiDou/GNSS and precision leveling in old goaf collapse area surface deformation monitoring
YANG Chunyu, YIN Hang, GUO Shuang, LUO Zhenhua, MA Fengfu
Bulletin of Surveying and Mapping . 2024, (5): 142 -146 .  DOI: 10.13474/j.cnki.11-2246.2024.0525