Nitrogen - 15 in soil - plant studies : proceedings of a research co - ordination meeting on recent development in the use of nitrogen -15 in soil - plant studies organized by the joint FAO/IAEA division of atomic energy in food and agriculture and held in Sofia 1 - 5 December 1969
International Atomic Energy Agency
Nitrogen - 15 in soil - plant studies : proceedings of a research co - ordination meeting on recent development in the use of nitrogen -15 in soil - plant studies organized by the joint FAO/IAEA division of atomic energy in food and agriculture and held in Sofia 1 - 5 December 1969 International Atomic Energy Agency - Vienna International Atomic Energy Agency 1971 - 255 p.; 24cm.
631.84 N638
Nitrogen - 15 in soil - plant studies : proceedings of a research co - ordination meeting on recent development in the use of nitrogen -15 in soil - plant studies organized by the joint FAO/IAEA division of atomic energy in food and agriculture and held in Sofia 1 - 5 December 1969 International Atomic Energy Agency - Vienna International Atomic Energy Agency 1971 - 255 p.; 24cm.
631.84 N638
