1.
Mineralogical and hydrogeological study of "pouhons" in the lower Palaeozoic formations of the Stavelot-Venn Massif, Belgium
Gemmological study of the reliquary bust of Saint Lambert from the Liège cathedral, Belgium
Mineralogical study of gold from the Serpont Massif, Belgium
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3.
Mineralogical investigation of a Roman enamelled plate from the Liège Cathedral, Belgium
Luxembourgite, AgCuPbBi4Se8, a new mineral species from Bivels, Grand Duchy of Luxembourg