@article{oai:tsukuba.repo.nii.ac.jp:00016321,
 author = {Suzuki, Shinsuke and 秋山, 英三 and AKIYAMA, Eizo},
 issue = {3},
 journal = {Theoretical population biology},
 month = {May},
 pages = {426--436},
 title = {Evolutionary stability of first-order-information indirect reciprocity in sizable groups},
 volume = {73},
 year = {2008},
 yomi = {アキヤマ, エイゾウ}
}