The adaptive combination adjustment of GNSS and leveling data
DING Alu, TIAN Jie, NIE Jianliang, LIU Xiaoyun, GUO Xinwei, ZHAO Dajiang, ZHANG Haiping
Bulletin of Surveying and Mapping . 2019, (11): 126 -129 .  DOI: 10.13474/j.cnki.11-2246.2019.0365