@book{ international1966iaea, title={Isotopes in Weed Research (Vienna, 25-29 Oct. 1965)}, series={Proceedings Series}, year={1966}, isbn={92-0-010066-X}, url={http://www.dgdingfa.net/publications/2067/isotopes-in-weed-research-vienna-25-29-oct-1965}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} }