1. Alexandre J, Thorez J (1995) Au secondaire et au tertiaire, l’Ardenne tropicale. L’altération des roches et les climats anciens. In: Demoulin A (Ed) L’Ardenne. Essai de géographie physique, Dépt de Géographie physique et Quaternaire, University of Liège, pp 53–67
2. Baeckeroot G (1942) OeslingetGutland. Morphologie du bassin ardennais et luxembourgeois de la Moselle. A. Colin, Paris, p 396
3. Baele J-M, Quesnel F, Dupuis C (2016) Silcrete in northern France and Belgium: a terrestrial record of surface environments under the influence of pyroclastic ash-falls. 5th International Geologica Belgica Meeting, Mons, 26–29 Jan 2016, p 40 (Abstract Book)
4. Barbier F, Prognon C, Quesnel F, Dupuis C, Yans J (2010) Dating and weathering characterization of the Morialmé quarry (Entre-Sambre-et-Meuse, Belgium). 4th French congress on stratigraphy, Paris, p 18 (Abstract Book)
5. Barbier F, Quesnel F, Dupuis C, Yans J (2012). The late paleocene-early eocene interval as a potential period for weathering in Western Europe: the case of the Morialmé section (Belgium). 4th International Geologica Belgica Meeting, Brussels, 11–14 Sept 2012, p 59 (Abstract book)