Харченко, В., Кукуш, О. and Васильєв, В. 2004. Determination of allowable time for decision making in Collision Avoidance Systems in Free Flight Environment. Proceedings of National Aviation University. 19, 1 (Jan. 2004), 29–33. DOI:https://doi.org/10.18372/2306-1472.19.957.