FRU Isotope studies on the nitrogen chain :  proceedings of the symposium... jointly / 
organized by the International Atomic Energy Agency and the Food and Agrculture Organization of the United Nations... held in Vienna, 28 August - 1 September 1967 
 - Vienna :  International Atomic Energy Agency,  1968 
 - 343 p. ;  24 cm. 
 - Proceedings series (International Atomic Energy Agency) .
<br/><br/> Papers in English, French, or Russian 
<br/><br/>Includes bibliographies 
<br/><br/><br/>engfrerus 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radioactive tracers in agriculture<br/>Nitrogen--Metabolism