Léon Dejonghe, A. Herbosch, Ph. Steemans, and J. Verniers (2006)
Disused Palaeozoic regional stages from Belgium: Devillian, Revinian, Salmian, Gedinnian and Burnotian.
Geologica Belgica, 9(1-2):190-197.
In Dejonghe, L., ed., Current status of chronostratigraphic units named from Belgium and adjacent areas
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