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) Kathleen Segerson,Valuing Environmental Goods and Services: An Economic Perspective,The Economics of Non-Market Goods and Resources,1571-487X,Springer Netherlands,2017,,,1-25,https://cir.nii.ac.jp/crid/1361137046529579008,https://doi.org/10.1007/978-94-007-7104-8_1