SILLANPAA, Mikko. <br/><br/>
Micronutrients and the nutrient status of Soils : A global study. 

 - Rome.  Food and Agriculture Organiza  tion of the1982 
 - xiv, 444p. 
<br/><br/><label>ISBN: </label>92 5 101193 1 
<br/><br/><label>Dewey Class. No.: </label>631.41