9th International Congress of soil science :  Transactions 
 Ninth International Congress of soil science :  Transactions 

 - Adelaide :  International Society of Soil Science and Angus and Robertson,  1968 
 - 4 volumes :  illustrations, diagrams, graphs, tables ;  24 cm 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil science --Congresses.
<br/><br/><label>LC Class. No.: </label>S590 I58