Luppo, A., A. Skivka, V. Palamarchuk, and O. Alexeiev. “THEORETICAL BASIS FOR CALCULATING THE WORKLOAD OF EXTERNAL PILOTS OF REMOTELY PILOTED AIRCRAFT”. Proceedings of National Aviation University, vol. 79, no. 2, Aug. 2019, pp. 6-11, doi:10.18372/2306-1472.79.13825.