著者名,タイトル,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Nishida,Phenological Eyes Network (PEN): a validation network for remote sensing of the terrestrial ecosystems,AsiaFlux Newsletter,,,2007,21,,9,https://cir.nii.ac.jp/crid/1371412891485329920,