• Advancing sustainable icebreaking : alternative fuels and operational efficiency for a Northern Baltic Sea caseLeiger, Roomet; Kujala, Pentti Jouko Sakari; Tapaninen, Ulla Pirita; Carjova, KristineProceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE 2025 ; vol. 32025 / art. v003t07a009 https://doi.org/10.1115/OMAE2025-157777
• Methanol and ammonia as alternative fuels for icebreaking operations in the Northern Baltic SeaLeiger, Roomet; Kujala, Pentti; Carjova, Kristine; Staritsyn, Alexander; Hanninen, Samuli; Tapaninen, UllaProceedings of 4th International Conference of Maritime Science & Technology NAŠE MORE2025 / p. 117-132 https://www.nasemore.com/wp-content/uploads/2025/09/NASE-MORE-2025_Conference-proceedings-1.pdf https://doi.org/10.5281/zenodo.18389335