@book{
international2020iaea,
title={Application of the Graded Approach to Post-closure Safety Assessment for the Disposal of Disused Sealed Radioactive Sources in Boreholes},
series={TECDOC Series},
number={1928},
year={2020},
isbn={978-92-0-119120-5},
url={http://www.dgdingfa.net/publications/14734/application-of-the-graded-approach-to-post-closure-safety-assessment-for-the-disposal-of-disused-sealed-radioactive-sources-in-boreholes},
publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
address={Vienna}
}