@book{ internationaliaea, title={Agrochemicals and Residues Newsletter Issue No. 9, September 1994}, series={Agrochemicals and Residues Newsletter}, year={}, url={http://www.dgdingfa.net/publications/4787/agrochemicals-and-residues-newsletter-issue-no-9-september-1994}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} }