Author:

Sommer,F.W.

Year:

1953

Title:

Megaspores of the Coal of Santa Catarina and their use in the correlation of strata.

Reference:

Sommer,F.W. (1953) Megaspores of the Coal of Santa Catarina and their use in the correlation of strata. Notas Preliminares e Estudos - Divisao de Geologia e Mineralogia, Departamento Nacional da Produao Mineral P. 1- 6

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