"The area concerned, which extended from Poland to Lithuania and across the whole of Scandinavia, indicated a distant source, in all likelihood somewhere in Rus

"The area concerned, which extended from Poland to Lithuania and across the whole of Scandinavia, indicated a distant source, in all likelihood somewhere in Russia" http://www.irsn.fr/EN/publications/thematic-radiation-protection/Pages/Ring-of-Five-the-European-network-of-experts.aspx http://www.irsn.fr/EN/publications/thematic-radiation-protec...