@Article{isprs-archives-XLIX-B4-2026-257-2026,
AUTHOR = {Lu, P. and Zhu, X. and Liu, W. and Di, X. and Li, R. and Lin, S.},
TITLE = {Analysis of the Current Situation and Research on Countermeasures of National
Fundamental Surveying and Mapping Achievements Services},
JOURNAL = {The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences},
VOLUME = {XLIX-B4-2026},
YEAR = {2026},
PAGES = {257--262},
URL = {https://isprs-archives.copernicus.org/articles/XLIX-B4-2026/257/2026/},
DOI = {10.5194/isprs-archives-XLIX-B4-2026-257-2026}
}