Isotope studies on the nitrogen chain Proceedings of the symposium ..
Symposium on the Use of Isotopes in Studies of Nitrogen Metabolism in the Soil-Plant-Animal System (1967 Vienna) InternationalAtomicEnergyAgency; Food and Agriculture Organization of the United Nations; Joint Commission on Applied Radioactivity
Vienna InternationalAtomicEnergyAgency 1968
Localização:
CENA - Cent. En. Nuclear na Agricultura
(581.13 I61s e.2 0231 ) e outros locais(Acessar)