@article{oai:niigata-u.repo.nii.ac.jp:00003110,
 author = {高橋, 正道},
 issue = {1},
 journal = {石油技術協会誌, 石油技術協会誌},
 month = {Jan},
 note = {A new assemblage of Late Cretaceous fossil plants (the Kamikitaba assemblage) was discovered from the Ashizawa Formation of Futaba Group (Early Coniacian；89Ma). The flora includes well-preserved mesofossils of angiosperm flowers, fruits, seeds, leaf fragments and woods. Some aspects on the origin of angiosperms and the vegetational consequences of Cretaceous and Paleogene flora are reviewed in the paper.},
 pages = {37--46},
 title = {白亜紀～古第三紀の陸上植物の変遷過程 : 白亜紀に多様化した被子植物群と古第三紀の植物相の地理的分布},
 volume = {70},
 year = {2005}
}