1. Agricultural robotics: unmanned robotic service units in agricultural tasks;IEEE Industrial Electronics Magazine,2013
2. Benson, T., “Flight of a model rocket”, Glenn Research Center, NASA, available at: www.grc.nasa.gov/www/k-12/VirtualAero/BottleRocket/airplane/rktvrecv.html (accessed May 28, 2018).
3. Modeling and control of unmanned flying robots,2011
4. Cartwright, K.G.S. (2008), “Feasibility of parachute recovery systems for small UAVs”, final thesis report, University of New South Wales, New South Wales.