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) Tadakatsu Yoneyama and Hideki Okada and Shotaro Ando,Seasonal variations in natural 13C abundances in C3 and C4 plants collected in Thailand and the Philippines,Soil science & plant nutrition,00380768,Richmond,2010-06,56,3,422-426,https://cir.nii.ac.jp/crid/1520291854765483648,