@article{oai:repository.naro.go.jp:00004676,
 author = {佐伯, 緑 and SAEKI, Midori and 吉田, 保志子 and YOSHIDA, Hoshiko},
 issue = {2},
 journal = {Ornithological Science, Ornithological Science},
 month = {Jul},
 pages = {237--244},
 title = {Crow’s weightlifting: how and how heavy a crow lifted with its bill},
 volume = {17},
 year = {2018},
 yomi = {サエキ, ミドリ and ヨシダ, ホシコ}
}