1. Baarda W. 1968. A testing procedure for use in geodesy networks [A] In: Netherlands Geodesy committee ed. New Series[C]. Delft: Neth Geod Comm. Pub On Geodesy, 2(5): 20–47.
2. Caspary W F, Borutta H. 1987. Robust estimation in deformation models [J]. Suvey Review, 29(223): 29–45.
3. Caspary W F, Haen W, Borutta H. 1990. Deformation analysis by statistical methods [J]. Technometrics, 32(1): 49–57.
4. CHAI Yan-ju, OU Ji-kun, YUAN Yun-bin, et al. 2001. Scheme design of quasi-accurate detection of gross errors [J]. Engineering of Surveying and Mapping. 10(1): 19–22 (in Chinese).
5. CHEN Yong-qi. 1988. Data Processing of Deformation Observation [M]. Beijing: The Publishing House of Surveying and Mapping.(in Chinese).