1. British Geological Survey. 1:250 000 scale offshore geological maps for seabed sediments in UTM series (DigSBS250). http://www.bgs.ac.uk/products/offshore/DigSBS250.html, downloaded February 28th 2012.
2. Annual Report on Radioactive Discharges and Monitoring of the Environment, 1978–2000;BNFL,1979
3. The Radiological Exposure of the Population of the European Community from Radioactivity in Northeastern European Marine Waters – Project MARINA;CEC,1990
4. Radioactivity in Food and the Environment, 2008 (RIFE-14);Environment Agency,2009
5. Radioactivity in Food and the Environment, 2010 (RIFE-16);Environment Agency,2011