Evaluating maritime cluster economic impact : the maritime cluster impact indexNõmmela, Kaidi; Kõrbe Kaare, KatiReliability and Statistics in Transportation and Communication : selected papers from the 21st International Multidisciplinary Conference on Reliability and Statistics in Transportation and Communication, RelStat2021, 14-15 October 2021, Riga, Latvia2022 / p. 556-565 https://doi.org/10.1007/978-3-030-96196-1_51 Conference proceedings at Scopus Article at Scopus Article at WOS Russian river shipping : evolution and perspectivesMolotov, Mikhail; Philipp, Robert; Prause, Gunnar KlausReliability and Statistics in Transportation and Communication : selected papers from the 21st International Multidisciplinary Conference on Reliability and Statistics in Transportation and Communication, RelStat2021, 14-15 October 2021, Riga, Latvia2022 / p. 259–269 https://doi.org/10.1007/978-3-030-96196-1_23 Conference proceedings at Scopus Article at Scopus Article at WOS