SILLANPAA , M . <br/><br/>
TRACE ELEMENTS IN SOIL AND AGRICULTURE 
MIKKO SILLANPAA 
 - ROME  FAO  1972 
 - iii, 67p.:ill.;  Hbk 
<br/><br/><label>ISBN: </label>9251004854 
<br/><br/><label>LC Class. No.: </label>S653 .S5 1972