Stable isotopes in plant nutrition, soil fertility and environmental studies :  proceedings of ... held in Vienna, 1-5 October 1990 / 
jointly organized by the International Atomic Energy Agency and the Food and Agiculture Organization of the United Nations. 
 - Vienna :  International Atomic Energy Agency,  1991. 
 - 670 pages :  illustrations ;  24 cm. 
<br/><br/><label>ISBN: </label>920010391X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Isotopes--Congresses.<br/>Stable isotopes--Congresses.<br/>Stable isotope tracers--Congresses.