1. Li Hao.Y., (2010). The Characteristics of the Ionosphere in Middle China and Analysis and Comparison of Ionospheric Model, Microwave Transaction Aug 2010.
2. Wu, X., Dai, C., & Liuli, (2010). Analysis the difference between Klobuchar ionospheric model in geography and in geomagnetism reference frame. Proceedings of CSNC 2010. May 2010, Beijing, China.
3. Klobuchar, J. (1987). Ionospheric time-delay algorithm for single-frequency GPS users. IEEE Transactions on Aerospace and Electronic Systems, AES-23, 325−331. (ISSN 0018-9251).
4. Zhang, H., (2006). Study on GPS based Chinese regional ionospheric monitoring and ionospheric delay correction. Ph.D. Dissertation, Shanghai Astronomical observatory, May 2006, Shanghai, China: Chinese Academy of Sciences.
5. Benoît, R. (2010). Warnant, Ionosphere modelling for Galileo single frequency users illustration of the combination of the NeQuick model and GNSS data, Scientific applications of Galileo and other Global Navigation Satellite Systems—I. Advances in Space Research, 45(2), 312–322.