Faithfull N.T., <br/><br/>
Methods in agricultural chemical analysis :  
by N.T. Faithfull .  
 - London  CABI Publishing  2002 
 - 266P. 
<br/><br/><label>ISBN: </label>0-85199-608-6 
<br/><br/><label>Dewey Class. No.: </label>J(E:3)  / P2