Manfred Roettle
Joined 8 August 2013
Please see my pages "Radiologische Gefährdungslage" at the German Wikipedia and "Faustformeln und Richtwerte für Radiologische Gefährdungslagen".
My email-adress is mroettle@aol.com
--Manfred Roettle (talk) 17:37, 9 May 2014 (UTC)