Morais, F.I. de O. <br/><br/>
Charge characteristics and ton exchange equilibria in soils from the humid tropics of Brasil [solo, equilibrio, acido-base] 

 - Reverside, California (USA):   1975.  
 - 100 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOLO<br/>EQUILIBRIO ACIDO-BASE<br/>TROPICO UMIDO