Soil organic matter studies :  proceedings of a symposium Soil Organic Matter Studies 
jointly organized by the International Atomic Energy Agency and the Food and Agriculture Organization of the United Nations, in co-operation with Agrochimica, and held in Braunschweig, 6-10 September 1976. 
 - Vienna  IAEA  1977 
 - 2 v.  ill.  24 cm. 
 - IAEA  Proceedings series International Atomic Energy Agency  Proceedings series .
<br/><br/> "STI/PUB/438."  English, French, Russian, or Spanish with abstracts in English. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9200100775 (v. 1) 9200101771 (v.2) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humus--Nitrogen content--Congresses.<br/>Soil productivity--Congresses.<br/>Soils--Congresses.
<br/><br/><label>LC Class. No.: </label>S592.8  / .S97 1976 
<br/><br/><label>Dewey Class. No.: </label>631.417 SYM 1977