Isotopes in plant nutrition and physiology / International Atomic Energy Agency, Proceedings of the symposium Vienna, 5-9 September 1966 jointly organized by the IAEA and FAO - Vienna: International Atomic Energy Agency, 1967 - 596p. Subjects--Topical Terms: Science Subjects--Index Terms: Chemistry Physics Universal Decimal Class. No.: 621.039.8:631.4(082.2) / K7