• Decarbonising coastal ferries: case of the Estonian state fleet ferryLaasma, Andres; Otsason, Riina; Tapaninen, Ulla Pirita; Hilmola, Olli-Pekka KristianTowards a Zero-Emissions and Digitalized Transport Sector2024 / p. 121–139 https://doi.org/10.4337/9781035321469.00014
  • Evaluation of alternative fuels for coastal ferriesLaasma, Andres; Otsason, Riina; Tapaninen, Ulla Pirita; Hilmola, Olli-Pekka KristianSustainability2022 / art. 16841 https://doi.org/10.3390/su142416841 https://www.scopus.com/sourceid/21100240100 https://www.scopus.com/record/display.uri?eid=2-s2.0-85144871781&origin=inward&txGid=96ae8256054288ef4b85336c6a936839 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=SUSTAINABILITY-BASEL&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000902778300001