Pollen stratigraphic studies of Japanese Cenozoic formation VIII Ange, Soni and Tsugena Groups (Tertiary).
Reference:
Shimakura,M. (1964)
Pollen stratigraphic studies of Japanese Cenozoic formation VIII Ange, Soni and Tsugena Groups (Tertiary). Journal Nara Gakugei University. Natural Science
Vol. 12 P. 38- 50