Isotopes in biological dinitrogen fixation  proceedings of an advisory group meeting organized by the joint FAO/IAEA division of atomic energy in food and agriculture and held in Vienna, 21-25 November 1977 

 - Vienna  IAEA  1978 
 - 316 p. 
 - IAEA, Proceedings Series .
<br/><br/><label>ISBN: </label>9200110789 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOIL CHEMISTRY<br/>Soil science
<br/><br/><label>Dewey Class. No.: </label>631.41  / INT