W. Wang, S. Xiong, X. Liu, S. Wang, L. Ma, Adaptive nonsingular terminal sliding mode guidance law against maneuvering targets with impact angle constraint, Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, Vol. 229, No. 5, pp. 867-890, 2015.
 Y. Wang, M. Sun, S. Du, Z. Chen, Comparative investigations of nonlinear and linear observers for a highly manoeuvrable target in sliding mode guidance. Bulletin of the Polish Academy of Sciences Technical Sciences, Vol. 65, No. 2, pp. 233-245, 2017.
 A. Zhurbal, M. Idan, Effect of estimation on the performance of an integrated missile guidance and control system, IEEE Transactions on Aerospace and Electronic Systems, Vol. 47, No. 4, pp. 2690-2708, 2011.
 D. Chwa, Fuzzy adaptive disturbance observer-based robust adaptive control for skid-to-turn missiles, IEEE Transactions on Aerospace and Electronic Systems, Vol. 51, No. 1, pp. 468-478, 2015.
 T. Song, D. Lin, J. Wang, Disturbance observer–based control for missile non-strapdown seeker disturbance rejection, Advances in Mechanical Engineering, Vol. 8, No. 4, pp. 1-15, 2016.
 H. Gao, Y. Lv, G. Ma, C. Li, Backstepping sliding mode control for combined spacecraft with nonlinear disturbance observer, 2016 UKACC 11th International Conference on Control (CONTROL), pp. 1-6, 2016.
 W. Liu, Y. Wei, G. Duan, M. Hou, Integrated guidance and control with input saturation and disturbance observer, Journal of Control and Decision, Vol. 5, No. 3, pp. 277-299, 2017.
 D. Chwa, Robust nonlinear disturbance observer-based adaptive guidance law against uncertainties in missile dynamics and target maneuver, IEEE Transactions on Aerospace and Electronic Systems, Vol. 54, No. 4, pp. 1739-1749, 2018.
 Y. B. Shtessel, I. A. Shkolnikov, A. Levant, Guidance and control of missile interceptor using second-order sliding modes. IEEE Transactions on Aerospace and Electronic Systems, Vol. 45, No. 1, pp. 110-124, 2009.
 Z. Zhu, D. Xu, J. Liu, Y. Xia, Missile guidance law based on extended state observer, IEEE Transactions on Industrial Electronics, Vol. 60, No. 12, pp. 5882-5891, 2013.
 L. Sun, W. Wang, R. Yi, W. Zhang, Fast terminal sliding mode control based on extended state observer for swing nozzle of anti-aircraft missile, Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, Vol. 229, No. 6, pp. 1103-1113, 2015.
 S. Xingling, W. Honglun, Back-stepping active disturbance rejection control design for integrated missile guidance and control system via reduced-order ESO, ISA transactions, Vol. 57, pp. 10-22, 2015.
 A. Bacciotti, L. Rosier, Lyapunov functions and stability in control theory, Lecture notes in control and information sciences, Vol. 267, Springer, 2001.
 S. Bhatt, D. Bernstein, Finite time stability of continuous autonomous systems. SIAM Journal on Control and Optimization, Vol. 38, No. 3, pp. 751-766, 2000.
 S. Yu, X. Yu, B. Shirinzadeh B, Z. Man, Continuous finite time control for robotic manipulators with terminal sliding mode, Automatica, Vol. 41, No. 11, pp. 1957-1964, 2005.
 S. R. Kumar, S. Rao, D. Ghose, Sliding mode guidance and control for all-aspect interceptor with terminal angle constraints, Journal of Guidance, Control, and Dynamics, Vol. 35, No. 4, pp. 1230-1246, 2012.