DescripciónSigning ceremony. Extension of assistance by the federal republic of Germany for Joint FAO/IAEA programme. (From left to right) Prof. Wittenzellner, Director of the Gesellschaft fuer Strahlen- und Umweltforschung, Muenchen, Dr. Sigvard Eklund, Director General IAEA and Mr. C. Julius Hoffmann, Ambassador, Resident Representative of the German Federal Republic signed two agreements to extend internationally co-ordinated research projects: the first concerning problems of fertilizer nitrogen residues, and the second for improving the protein quality of food grain by advanced plant breeding techniques.