1. Waves in layered media;Brekhovskikh,1980
2. Review of maritime transport 2019 [Internet]. Geneva: United Nations Conference on Trade and Development; [cited 2021 Aug 24]. Available from: https://unctad.org/webflyer/review-maritime-transport-2019.
3. IRENA. Innovation outlook: ocean energy technologies. Report. Abu Dhabi: International Renewable Energy Agency; 2020 Dec.
4. Energy transition outlook 2019: oil and gas forecast to 2050 [Internet]. Høvik: Det Norske Veritas; [cited 2021 Aug 24]. Available from: https://eto.dnv.com/2019/oil-gas/forecast.
5. Deep sea mining: the basics [Internet]. Philadelphia: Pew Charitable Trusts; 2017 Feb 3 [cited 2021 Aug 24]. Available from: https://www.pewtrusts.org/en/research-and-analysis/fact-sheets/2017/02/deep-sea-mining-the-basics.