Paul L.G . Vlek <br/><br/>
Micronutrients in tropical food crop production 

 - Dordrecht  Martinus nijhoff  1985 
 - 260p 
<br/><br/>Paul L.G . Vlek: Micronutrients in tropical food crop production.  Dordrecht.  Martinus nijhoff, 1985. 90-247-2405-8--(631.811VLE)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>90-247-2405-8 
<br/><br/><label>Dewey Class. No.: </label>631.811  / VLE