1. Bickel, P., Friedrich, R., Burgess, A., Fagiani, P., Hunt, A., De Jong, G., Laird, J., Lieb, C., Lindberg, G., Mackie, P., Navrud, S., Odgaard, T., Ricci, A., Shires, J., Tavasszy, L., 2006. HEATCO Developing Harmonised European Approaches for Transport Costing and Project Assessment, Deliverable 5: Proposal for Harmonised Guidelines. European Commission EC-DG TREN. http://heatco.ier.unistuttgartde/HEATCO_D5_summary.pdf.
2. Provision of Emission Control Area and the impact on shipping route choice and ship emissions;Chen;Transp. Res. Part D: Transp. Environ.,2018
3. CLRTAP, 2019. https://www.ceip.at/ms/ceip_home1/ceip_home/status_reporting/2019_submissions/(accessed May 11 2020).
4. Desaigues, B. et al., 2011. Economic valuation of air pollution mortality: A 9-country contingent valuation survey of the value of a life year (VOLY). Ecol. Indicators 11(3), pp. 902-910; https://www.researchgate.net/publication/229307027_Economic_valuation_of_air_pollution_mortality_A_9-country_contingent_valuation_survey_of_value_of_a_life_year_VOLY (accessed May 05 2020).
5. Directive (EU) 2016/802 of the European Parliament and of the Council of 11 May 2016 relating to a reduction in the sulphur content of certain liquid fuels (codification), L 132/58 EN Official Journal of the European Union, 21.5.2016.