F Robaszynski (1987)
The upper white chalks of the Mons Basin (B.). Red. T. Krans & H. van de Laar,Heerlen,Geological Bureau,May 8-9th,1987
Meuse-Rhine Euregio Geologists Meeting, vol. p. 12-13.
09914, 151, Ht, HAINE, CRET, STRATBIO
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