DEWIS, J. <br/><br/>
Physical and chemical methods of soil and water analysis / 
by DEWIS, J. FREITAS, F. 
 - Rome  FAO  1984 
 - x, 275p.  Hbk 
<br/><br/><label>ISBN: </label>9251020108 
<br/><br/><label>LC Class. No.: </label>S593.D3