著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) WAKIYAMA Yasuyuki and SAMESHIMA Ryoji and HAMASAKI Takahiro and NEMOTO Manabu and OZAWA Kiyoshi and OHNO Hiroyuki and MARUYAMA Atsushi,Threshold intensity of twilight illumination for photoperiodism of rice based on solar altitude,農業気象,00218588,日本農業気象学会,2013,69,4,265-276,https://cir.nii.ac.jp/crid/1390001204668273664,https://doi.org/10.2480/agrmet.69.4.4