Author:

Duchesne,J.C.

Year:

1963

Title:

A bed of Pyritosphaera barbaria in the Cambrian of Bayehon Valley, (Belgium, Ardennes).

Foreign title:

Un gisement de Pyritosphaer Barbaria dan le Cambrien de la Vallee du Bayehon(Adrennes Belges)

Reference:

Duchesne,J.C. (1963) A bed of Pyritosphaera barbaria in the Cambrian of Bayehon Valley, (Belgium, Ardennes). [ Un gisement de Pyritosphaer Barbaria dan le Cambrien de la Vallee du Bayehon(Adrennes Belges) ] Annales de la Soci©t© G©ologique de Belgique Vol. 86 # 2 P. 123- 131

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