International Scientific Conference (6th: 1983: Karl Marx University of Leipzig)   <br/><br/>
Problems o an optimum nutrient supply to tropical crops  (Book) 

 - Berlin  Karl Marx University of Leipzig  1984 
 - 519 p.  21 cm. 
<br/><br/><label>Universal Decimal Class. No.: </label>581.13(213)(061.3) INT  / 15673