@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}
}