Author:

Hall,J.W.;Stidd,B.M.

Year:

1971

Title:

Ontogeny of Vesicaspora, a Late Pennsylvanian pollen grain.

Reference:

Hall,J.W. et al. (1971) Ontogeny of Vesicaspora, a Late Pennsylvanian pollen grain. Palaeontology Vol. 14 # 3 P. 431- 436

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