Tsoy, L.G.; Stoyanov, I.A.; Mikhailichenko, V.V.; Livshits, S.G. (1995), "Perspective types of Arctic icebreakers and their principal characteristics"(PDF), Proceedings of the 13th International Conference on Port and Ocean Engineering under Arctic Conditions, 1995 (POAC'95), vol. 1, pp. 13–26, archived(PDF) from the original on 30 July 2021, retrieved 24 December 2019
Tsoy, L.G.; Stoyanov, I.A.; Mikhailichenko, V.V.; Livshits, S.G. (1995), "Perspective types of Arctic icebreakers and their principal characteristics"(PDF), Proceedings of the 13th International Conference on Port and Ocean Engineering under Arctic Conditions, 1995 (POAC'95), vol. 1, pp. 13–26, archived(PDF) from the original on 30 July 2021, retrieved 24 December 2019