@article{oai:niigata-u.repo.nii.ac.jp:00003237,
 author = {栗田, 裕司 and 楠, 香織},
 issue = {12},
 journal = {地質学雑誌, 地質学雑誌},
 month = {Dec},
 pages = {1179--1182},
 title = {北海道中央部、襟裳層の渦鞭毛藻化石年代(後期漸新世)とその意義},
 volume = {103},
 year = {1997}
}