A. Safaee and  M. S. Mehrabani and  M. B. Menhaj and  V. Mousavi and  S. Z. Moussavi,  An Experimental Procedure for Design and Construction of Monocopter and Its Control Using Optical and GPS-Aided AHRS Sensors.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2015, vol. 97(1). 47 - 54
    [viewed 27 September 2020]. Available from: https://publications.waset.org/pdf/10000143.