Abstracts on tropical agriculture.  [computer file] 
 TROPAG & RURAL 

 - [Amsterdam,  Koninklijk Instituut voor de Tropen, Dept. of Agricultural Research] 
 - computer optical discs ;  4.75 in. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tropical crops--Abstracts--Periodicals.<br/>Agriculture--Indexes--Periodicals.--Tropics