1. United Nations, "Paris Agreement", 2015, http://unfccc.int/files/essential_background/convention/application/pdf/english_paris_agreement.pdf.
2. "Maritime Forecast to 2050″, Energy Transition Outlook 2020, DNV (Det Norske Veritas) 2022.
3. Statista, "Ammonia production worldwide from 2010 to 2020″, 2022. https://www.statista.com/statistics/1266378/global-ammonia-production/.
4. A review of ammonia as a compression ignition engine fuel;Dimitriou;Int J Hydrogen Energy,2020
5. Review on ammonia as a potential fuel: from synthesis to economics;Valera-Medina;Energy Fuels,2021