@book{
international2017iaea,
title={Status of Radon Related Activities in Member States Participating in Technical Cooperation Projects in Europe},
series={TECDOC Series},
number={1810},
year={2017},
isbn={978-92-0-100617-2},
url={http://www.dgdingfa.net/publications/11131/status-of-radon-related-activities-in-member-states-participating-in-technical-cooperation-projects-in-europe},
publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
address={Vienna}
}