Isotope studies on the nitrogen chain  proceedings of the symposium on the use of isotopes in studies of nitrogen metabolism in the soil-plant-animal system 
jointly organized by the International Atomic Energy Agency and the Food and Agriculture Organization of the United Nations in co-operation with the Joint Commission of Applied Radioactivity (ICSU) and held in Vienna, 28 August-1 September 1967 
 - Vienna  IAEA  1968 
 - [7], 343 s.  res., tbl., graf.  24 cm. 
 - IAEA Proceedings series .
<br/><br/>Kaynakça var. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nitrogen--Congresses.--Metabolism<br/>Radioactive tracers in agriculture--Congresses.
<br/><br/><label>Dewey Class. No.: </label>574.13 SYM 1968