@book{ international1975iaea, title={Radiation Techniques for Water-use Efficiency Studies}, series={Technical Reports Series}, number={168}, year={1975}, isbn={92-0-115075-X}, url={http://www.dgdingfa.net/publications/1269/radiation-techniques-for-water-use-efficiency-studies}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} }
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