Tokarev, Y.; Shulman, G. (2007). Biodiversity in the Black Sea: Effects of climate and anthropogenic factors, in: Relini, G. et al.Biodiversity in enclosed seas and artificial marine habitats: Proceedings of the 39th European Marine Biology Symposium, held in Genoa, Italy, 21-24 July 2004. Developments in Hydrobiology, 193: pp. 23-33. https://dx.doi.org/10.1007/978-1-4020-6156-1_2, meer