@book{oai:chikyu.repo.nii.ac.jp:00002426,
 author = {赤尾, 健一 and Akao, Ken-Ichi},
 month = {},
 note = {application/pdf},
 publisher = {Project 2-2, Research Institute for Humanity and Nature},
 title = {Economic analysis of biodiversity conservation: two challenging problems},
 year = {2008},
 yomi = {アカオ, ケンイチ}
}