Author:

Zerndt,J.

Year:

1931

Title:

Megaspores as guide fossils of the productive Coal Measures.

Foreign title:

Megasporen Als Leitfossilien des Produktiven Karbons.

Reference:

Zerndt,J. (1931) Megaspores as guide fossils of the productive Coal Measures. [ Megasporen Als Leitfossilien des Produktiven Karbons. ] Bulletin de l'Academie Polonaise des Sciences et des Lettres,Serie I.Math.(2) # 2 P. 165- 183

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