1. Aubrey DG (1991) International workshop on the Black Sea Varna, Bulgaria, 30 Sept–4 Oct 1991. Intergovernmental Oceanographic Commission workshop report no. 86, p 31
2. Bekov V, Petrova-Klisarova D (2013) Eighty years Marine Biological Station with aquarium in Varna. Bulg J Agric Sci 19(Supplement 1):1–5
3. Beuvier J, Sevault F, Herrmann M, Kontoyiannis H, Ludwig W, Rixen M, Stanev E, Béranger K, Somot S (2010) Modeling the Mediterranean Sea interannual variability during 1961–2000: focus on the Eastern Mediterranean Transient. J Geophys Res Oceans 115:C08017
4. Bryan K (1969) A numerical method for the study of the circulation of the World Ocean. J Comput Phys 4:347–376
5. Clementi E, Aydogdu A, Goglio AC, Pistoia J, Escudier R, Drudi M, Grandi A, Mariani A, Lyubartsev V, Lecci R, Cretí S, Coppini G, Masina S, Pinardi N (2021) Mediterranean Sea physical analysis and forecast (CMEMS MED-Currents 2016–2019) (Version 1). Copernicus Monitoring Environment Marine Service (CMEMS). http://doi.org/10.25423/CMCC/MEDSEA_ANALYSIS_FORECAST_PHY_006_013_EAS4