Author:

Tokunaga,S.;Onoe,T.

Year:

1964

Title:

Pollen analyses of the principal Coal Seams in the Shakubetsu and Ponki areas, the western part of the Kushiro Coal Field, Hokkido.

Reference:

Tokunaga,S. et al. (1964) Pollen analyses of the principal Coal Seams in the Shakubetsu and Ponki areas, the western part of the Kushiro Coal Field, Hokkido. Bulletin of the Geological Survey of Japan (Chishitsu Chosajo Geppo) Vol. 15 # 10 P. 657- 662

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