F Boulvain, P Bultynck, M Coen, M Coen-Aubert, D Lacroix, M Laloux, J. G Casier, L Dejonghe, V Dumoulin, P Ghysel, J Godefroid, S Helsen, N. A Mouravieff, P Sartenaer, F Tourneur, and M Vanguestaine (1999)
Les formations du Frasnien de la Belgique
Memoirs of the Geological Survey of Belgium, vol. 44 p. 125 p.
04273, Lg, Ht, N, SYNDIN, SYNAM, SYNVE, F, STRA
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