Ph Steemans (1995)
New data on the Sambre-et-Meuse Band. Brogne Abbey,Saint-Gerard (province of Namur,Belgium), 5th and 6th May 1995
Meuse-Rhine Euregio Geologists Meeting, vol. p. 1 p.
09992, 146, 153, 154, 155, N, Lg, Ht, CALCOND, SYNAM, ORD, SIL, G, COALI, TEC
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