1. United Nations. Oceans and the law of the sea. Report of the Secretary-General. A /65/69/Add.2; 2010.
2. Ribera SMA. Pathways of biological invasions of marine plants. In: Ruiz GM, Carlton J. editors. Invasive species vectors and management strategies; 2003. p. 183–226.
3. GESAMP. Opportunistic settlers and the problem of the ctenophore Mnemiopsis leidyi invasion in the Black Sea. GESAMP reports and studies, no. 58. London: IMO; 1997.
4. Ecological and evolutionary consequences of coastal invasions;Grosholz;Trends in Ecology and Evolution,2002
5. The Baltic – a sea of invaders;Leppakoski;Canadian Journal of Fisheries and Aquatic Sciences,2002