Nitrogen-15 in soil-plant studies - proceedings of a research co-ordination meeting on recent developments 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

Förlag	År	Ort	Om boken	ISBN
	1971	Österrike, Vienna	255 sidor. tab.