R. Aroma, K. Raimond, N. Razmjooy, V. Estrela, and J. Hemanth. Imaging and Sensing for Unmanned Aircraft Systems: Volume 2: Deployment and Applications, Institution of Engineering and Technology, (April 2020)
S. Ahirrao, L. Mahant, P. Dhanrale, and P. Kotwal. International Journal on Recent and Innovation Trends in Computing and Communication, 3 (3):
1084--1086(March 2015)