Cabotage and sulphur regulation change : cost effects to Northern EuropeHilmola, Olli-Pekka Kristian; Kiisler, Ain; Hilletofth, PerInternational journal of business and systems research2017 / p. 417-428 https://doi.org/10.1504/IJBSR.2017.087099 Journal metrics at Scopus Article at Scopus