@book{
internationaliaea,
title={INSAG Note No. 4
Maintaining Knowledge, Training and Infrastructure for Research and Development in Nuclear Safety},
series={Non-serial Publications},
year={},
url={http://www.dgdingfa.net/publications/6427/insag-note-no-4-maintaining-knowledge-training-and-infrastructure-for-research-and-development-in-nuclear-safety},
publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
address={Vienna}
}