1. Abdelkhalek, M. A., El-Demerdash, M. S., El-Tahan, A. A., & Dief, T. N. (2015). Attitude stability of quadcopter using classic control with angular acceleration. International Journal of Computer Science and Information Technology and Security, 5(4), 325–331.
2. Bisgaard, M., Bendtsen, J. D., & la Cour-Harbo, A. (2009). Modeling of generic slung load system. Journal of Guidance, Control, and Dynamics, 32(2), 573–585.
3. Burns, R. (2001). Advanced control engineering. Elsevier.
4. Cruz, P. J., & Fierro, R. (2017). Cable-suspended load lifting by a quadrotor UAV: Hybrid model, trajectory generation, and control. Autonomous Robots, 41(8), 1629–1643.
5. Das, H. (2018). Dynamic inversion control of quadrotor with a suspended load. IFAC-PapersOnLine, 51(1), 172–177.