Isotopes and radiation in research on soil-plant relationships :  proceedings of an International Symposium on the Use of Isotopes and Radiation in Research on Soil-Plant Relationships / 
organized by the International Atomic Energy Agency and the United Nations and held in Colombo, 11-15 December 1978 
 - Vienna :  International Atomic Energy Agency,  1979 
 - 660 p. :  ill. ;  24 cm. 
 - Proceedings series .
<br/><br/> In English, French or Spanish; abstracts in English  Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9200103790 
<br/><br/><label>LCCN: </label>80-456684 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crops and soils--Research--Congresses<br/>Radioactive tracers in soil science--Congresses<br/>Radioactive tracers in plant nutrition--Congresses