@article{oai:waseda.repo.nii.ac.jp:00011386, author = {Sekiya, Toru and Murakami, Ryo and Uramoto, Goichiro and Hirano, Hiromichi and 関谷, 透 and 村上, 亮 and 浦本, 豪一郎 and 平野, 弘道 and HIRANO, Hiromichi}, journal = {学術研究 : 生物学・地球科学編}, month = {Feb}, pages = {25--31}, title = {北海道朱鞠内地域の上部白亜系に認められる大型化石群集}, volume = {57}, year = {2009} }