Liyanage, M de S.2014-06-032014-06-031995FAO/IAEA Research Co-ordinating meeting, Austria. Vienna, 1995:p...https://dl-cri.nsf.gov.lk//handle/1/3605Plant PhysiologyNitrogen fixationLegumesRadio isotope studiesUse of isotopes in studies of biological nitrogen fixation intree legume