1. Regional Oceans Governance – Making Regional Seas Programmes, Regional Fishery Bodies and Large Marine Ecosystem Mechanisms Work Better Together. UNEP Regional Seas Reports and Studies No. 197;UNEP,2016
2. International Law & the Environment;Birnie,2002
3. Henrik Ringbom, Regulation of Ship-Source Pollution in the Baltic Sea, 2018. In this special issue.
4. HELCOM, Maritime activities in the Baltic Sea, in: Baltic Sea Environment Proceedings, vol. 152, 2018.
5. HELCOM, Convention on the Protection of the Marine Environment of the Baltic Sea Area Adopted on 9 April 1992, in force 17 January 2000.