@book{ international1972iaea, title={Isotopes and Radiation in Soil-plant Relationships Including Forestry}, series={Proceedings Series}, year={1972}, isbn={92-0-010072-4}, url={http://www.dgdingfa.net/publications/3031/isotopes-and-radiation-in-soil-plant-relationships-including-forestry}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} }
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