Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) OTUKA A.,"A new trajectory analysis method for migratory planthoppers, Sogatella furcifera (Horvath) and Nilaparvata lugens (Stal) (Homoptera : Delphacidae)",Agric. For. Entomol.,,,2005,7,,1-9,https://cir.nii.ac.jp/crid/1573105975494489984,