Author:

Stach,E.

Year:

1957

Title:

Polished-section spore diagnosis of the Baldur Seam of the Ruhr Coal.

Foreign title:

Die Anschliff-Sporendiagnose des Ruhrkohlenflжzes Baldur.

Reference:

Stach,E. (1957) Polished-section spore diagnosis of the Baldur Seam of the Ruhr Coal. [ Die Anschliff-Sporendiagnose des Ruhrkohlenflжzes Baldur. ] Pal¤eontographica Abteilung B Vol. 102 # 4 P. 71- 95

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