Blockchain and smart contracts for entrepreneurial collaboration in maritime supply chainsPhilipp, Robert; Prause, Gunnar Klaus; Gerlitz, LaimaTransport and telecommunication journal2019 / p. 365−378 https://doi.org/10.2478/ttj-2019-0030 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Towards efficient mapping of greenhouse gas emissions : a case study of the port of TallinnKotta, Jonne; Fetissov, Mihhail; Kaasik, Ellen; Väät, Janis; Štõkov, Stanislav; Tapaninen, Ulla PiritaSustainability2023 / art. 9520 https://doi.org/10.3390/su15129520