Author:Shimakura,M. Year:1955 Title:A pollen stratigraphic study in Japanese Coal Foreign title:Nihonsan Sekitan no Kafunsoigakuteki Kenkyu Reference: Shimakura,M. (1955) A pollen stratigraphic study in Japanese Coal [ Nihonsan Sekitan no Kafunsoigakuteki Kenkyu ] Journal of the Geological Society of Japan(Chishitsugaku Zasshi) Vol. 61 # 718 P. 319- 319 Google Academy: try to search by title in english or foreign title