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 
 - 343 p.  24 cm. 
 - International Atomic Energy Agency  Proceedings series .
<br/><br/> "STI/PUB/161."  Papers in English, French, or Russian. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nitrogen<br/>Radioactive tracers in agriculture.--Metabolism.
<br/><br/><label>LC Class. No.: </label>S589.5  / .S92 1967 
<br/><br/><label>Dewey Class. No.: </label>574.13 SYM 1968