1. Abels A, Mannola P, Lehtinen M, Bergman L, Pesonen LJ (1998) New observations of the properties of the Lumparn impact structure, Åland islands, southwestern Finland. Meteoritics and Planetary Science 33:A7
2. Alimov AF, Golubkov SM (1987) Functional role of zoobenthos in the ecosystem of Neva Bay. In: Winberg GG, Gutelmakher BL (eds) Neva Bay: hydrobiological investigations, Nauka. Leningrad, pp 170–174 [in Russian]
3. Alimov AF, Golubkov SM (eds) (2008) Ecosystem of the Neva Estuary: biological diversity and ecological problems. KMK Publishers, Moscow, 477 pp [in Russian]
4. Barker T, Hatton K, O’Connor M, Connor L, Bagnell L, Moss B (2008) Control of ecosystem state in a shallow, brackish lake: implications for the conservation of stonewort communities. Aquatic Conservation Marine and Freshwater Ecosystems 18:221–240
5. Barnes RSK (1980) Coastal lagoons. Cambridge University Press, Cambridge 160 pp