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Geomatics and Information Science of Wunan University
1671-8860
1991 Issue 2
bian xing jian ce wang de ke qu fen xing fen xi
Zhao Shaorong
..............page:18-27
fei qi fen kuai fang zhen de ni ju zhen
Tian Yongge Zhengzhou Technical School for Surveying and Mapping
..............page:96-102