Author:

Barker,G.W.

Year:

1987

Title:

Pollen and spores from the Lower Permian, (Gearvan), of Kansas, USA.

Reference:

Barker,G.W. (1987) Pollen and spores from the Lower Permian, (Gearvan), of Kansas, USA. American Association of Stratigraphic Palynologists,20th Annual Meeting,Program and Abstracts Vol. 20 P. 20- 20

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