著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL European Space Agency. Earth Sciences Division and European Space Agency. Earth Observation Preparatory Programme,SPECTRA - Surface processes and ecosystem changes through response analysis,,ESA Publications Division,2001,ESA SP,,,,https://cir.nii.ac.jp/crid/1130000796479590912