@book{ international1965iaea, title={Isotopes and Radiation in Soil-plant Nutrition Studies (Ankara, 28 June - 2 July 1965)}, series={Proceedings Series}, year={1965}, isbn={92-0-010265-4}, url={http://www.dgdingfa.net/publications/2059/isotopes-and-radiation-in-soil-plant-nutrition-studies-ankara-28-june-2-july-1965}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} }
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