1. Cercopagis pengoi – a new important food object of the Baltic herring in the Gulf of Finland;Antsulevich;International Revue of Hydrobiology,2000
2. Baltic Sea Alien Species Database, 2006. In: Olenin, S., Leppäkoski, E., Daunys, D. (Eds.), (accessed online 18.02.06).
3. Is the comb jelly really to blame for it all? Mnemiopsis leidyi and the ecological concerns about the Caspian Sea;Bilio;Marine Ecology Progress Series,2004
4. Spread of the slipper limpet Crepidula fornicata (L.) 1758 in Europe. Current state and consequences;Blanchard;Scientia Marina,1996
5. Notes on the occurrence of Polychaeta (Annelida) in the archipelago of Aland, SW Finland;Bonsdorff;Memoranda Society Fauna Flora Fennica,1981