Classifying the ice seasons 1982-2016 using the weighted ice days number as a new winter severity characteristicRjazin, Jevgeni; Alari, Victor; Pärn, OveEUREKA : physics and engineering2017 / p. 49-56 : ill http://dx.doi.org/10.21303/2461-4262.2017.00364 EU Phare Twinning project "Strengthening enforcement of maritime safety"Heering, DanMaritime security and MET2005 / p. 97-106 https://www.witpress.com/books/978-1-84564-058-3 An investigation of winter navigation and icebreaker needs in the ice-infested water: The gulf of Finland and the Gulf of RigaLu, Liangliang; Kondratenko, Aleksandr; Kulkarni, Ketki; Li, Fang; Kujala, Pentti Jouko Sakari; Musharraf, MashruraProceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE 2024 ; Vol. 62024 / OMAE2024-127955, V006T07A006 ; 8 pages https://doi.org/10.1115/OMAE2024-127955 System level simulation of the winter navigation in the Baltic SeaKujala, Pentti Jouko Sakari; Kulkarni, Ketki; Kondratenko, Aleksandr; Lu, Liangliang; Winberg, Christine; Li, Fang; Musharraf, MashruraProceedings of 15th International Marine Design Conference (IMDC-2024)2024 / p. 408-420 https://doi.org/10.59490/imdc.2024.902