nkysdb: 共著者関連データベース
OKA Takao 様の 共著関連データベース
+(A list of literatures under single or joint authorship with "OKA Takao")
共著回数と共著者名 (a list of the joint author(s))
2: OKA Takao
発行年とタイトル (Title and year of the issue(s))
1993: Late Miocene Pollen Stratigraphy of the Nayoro Basin, Northern Hokkaido, Japan
2000: Summary of the neotectonics of Hokkaido, northern Japan accompanied by the newest survey result of some active fault systems