Groessens E., Conil R. & Hennebert M., 1979. Le Dinantien du sondage de Saint-Ghislain. Stratigraphie et Paléontologie.Memoirs of the Geological Survey of Belgium, 22, 137 p.
The printed version of the Memoirs Vol. 22 is available for sale at the GSB. For ordering, please contact gsb@naturalsciences.be
