Guochang Xu

• Gps
• Sciences of Geodesy - I
• Orbits
• Sciences of Geodesy - II
• Zhongguo gan han, ban gan han di qu qi hou, huan jing yu qu yu kai fa yan jiu lun wen ji
• Feng yun chun qiu
• Spectral analysis and geopotential determination
• Zhongguo xi bei tian qi
• 中国西北天气