Sidorov, Aleksey, and Viktor Pererva. “Determining the Regions for Efficient Use of electro­jet low­thrust Engines”. Eastern-European Journal of Enterprise Technologies 3, no. 5 (99) (May 24, 2019): 43–50. Accessed July 27, 2024. https://journals.uran.ua/eejet/article/view/168446.