R. Beard, N. Knoebel, C. Cao, N. Hovakimyan, и J. Matthews. AIAA Guidance, Navigation, and Control Conference and Exhibit, Keystone, US-CO, American Institute of Aeronautics and Astronautics, (августа 2006)
K. Åström, и B. Wittenmark. Addison-Wesley Series in Electrical and Computer Engineering: Control Engineering Addison-Wesley, Boston, US-MA, reprinted, corrected издание, (1989)
B. Wittenmark. 5th IFAC Symposium on Adaptive Systems in Control and Signal Processing, стр. 67--72. Budapest, HU, International Federation of Automatic Control, (1995)
P. Chirarattananon, K. Ma, и R. Wood. IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), Tokyo, JP, стр. 3808--3815. IEEE, (ноября 2013)