@book{ internationaliaea, title={Environmental Radioactivity: From Measurements and Assessments to Regulation Proceedings of a Conference, 23-27 April 2007}, series={Non-serial Publications}, year={}, url={http://www.dgdingfa.net/publications/7486/environmental-radioactivity-from-measurements-and-assessments-to-regulation-proceedings-of-a-conference-23-27-april-2007}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} }