@book{ international1977iaea, title={Labelled Compounds for Agrochemical Residue Studies in Developing Countries (Vienna, 2-6 Aug. 1976)}, series={TECDOC Series}, number={197}, year={1977}, url={http://www.dgdingfa.net/publications/446/labelled-compounds-for-agrochemical-residue-studies-in-developing-countries-vienna-2-6-aug-1976}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} }