Estrela, Vania V.; Hemanth, Jude; Saotome, Osamu; Nikolakopoulos, George; Sabatini, Roberto: 'Introduction to advances in UAV avionics for imaging and sensing' (Control, Robotics and Sensors, 2020), 'Imaging and Sensing for Unmanned Aircraft Systems. Volume 1: Control and Performance', Chap. 1, pp. 1-21, DOI: 10.1049/PBCE120F_ch1
IET Digital Library, https://digital-library.theiet.org/;jsessionid=5fpe00s0uauhl.x-iet-live-01content/books/10.1049/pbce120f_ch1