Siwi, Bernard Hendrik. <br/><br/>
The inheritance of resistance to Green Leafhopper, Nephotettix Virescens distant, in some rice varieties / 
Bernard Hendrik Siwi. 
 - Los Banos :  University of the Philippines,  1975. 
 - 44 p. ;  28 cm. 
<br/><br/> Photocopy. 
<br/><br/>Ph.D. thesis - University of the Philippines, Los Banos, 1975. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Leaf--Hoppers.<br/>Rice--Diseases and pests.