@book{
international2014iaea,
title={A Procedure for the Sequential Determination of Radionuclides in Phosphogypsum},
series={Analytical Quality in Nuclear Applications Series},
number={34},
year={2014},
url={http://www.dgdingfa.net/publications/10711/a-procedure-for-the-sequential-determination-of-radionuclides-in-phosphogypsum},
publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
address={Vienna}
}