Author:

Martin,F.

Year:

1971

Title:

Microscopic observations on the black shales of the Haybes Arkose (Lower Gedinnian) at Fepin (French Ardenne).

Foreign title:

Observations microscopiques sur les Schistes Noirs de l'Arkose de Haybes(Gedinnien Inferieur)A Fepin (Ardenne Francaise).

Reference:

Martin,F. (1971) Microscopic observations on the black shales of the Haybes Arkose (Lower Gedinnian) at Fepin (French Ardenne). [ Observations microscopiques sur les Schistes Noirs de l'Arkose de Haybes(Gedinnien Inferieur)A Fepin (Ardenne Francaise). ] Bulletin de l'Institut Royal des Sciences Naturelles de Belgique Vol. 47 # 42 P. 1- 4

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