@book{
international1987iaea,
title={Properties of Neutron Sources (Proceedings of an Advisory Group Meeting, Leningrad, 9-13 June 1985)},
series={TECDOC Series},
number={410},
year={1987},
url={http://www.dgdingfa.net/publications/665/properties-of-neutron-sources-proceedings-of-an-advisory-group-meeting-leningrad-9-13-june-1985},
publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
address={Vienna}
}