1. Directive 2000/60/ЕС of the European Parliament and of the Council of 23 October 2000 establishing a framework for Community action in the field of water policy, Official Journal of the European Communities. L. 327, 22. 12. 2000, 72 p. http://ec.europa.eu/environment/water/water-framework/info/intro_en.htm (accessed 15.12.2019).
2. Baltic Sea Action Plan http://www.helcom.fi/baltic-sea-action-plan. http://www.helcom.fi/Lists/Publications/BSEP122.pdf BSEB122_Initial_Holistic_Assesment (accessed 15.12.2019).
3. State of the Baltic Sea – Second HELCOM holistic assessment 2011-2016 http://stateofthebalticsea.helcom.fi/wp-content/uploads/2018/07/HELCOM_State-of-the-Baltic-Sea_Second-HELCOM-holistic-assessment-2011-2016.pdf (accessed 18.12.2019).
4. Moiseenko T. I. Vodnaya ekotoksikologiya: teoreticheskie i prikladnye aspekty [Aquatic ecotoxicology: fundamental and applied aspects]. Moscow, Nauka, 2009, 399 p. (In Russian).
5. Gnyubkin V.F. Tsirkadnyi ritm dvizhenii stvorok dvustvorchatogo mollyuska Mytilus galloprovincialis [The circadian rhythm of valve movements in the mussel Mytilus galloprovincialis]. Biologiya morya [Russian Journal of Marine Biology], 2010, vol. 36, no. 6, pp. 419–428.