Department of Agricultural Research, Royal Tropical Institute. Research activities 1958-1961 / 

 - Amsterdam:  Koninklijk Instituut Voor de Tropen,  1968 
 - viii, 74 p. ;  24cm 
 - Communication ; no. 56 .
<br/><br/> Acc. No. 02009 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture