![Polyphase karst system in Cretaceous chalk and calcarenite of the Belgian-Dutch border]()
Polyphase karst system in Cretaceous chalk and calcarenite of the Belgian-Dutch borderWillems, Luc; Rodet, Joël; Fournier, Matthieu; Laignel, Benoît; Dusar, Michiel; Lagrou, David; Pouclet, André; Massei, Nicolas; Dussart-Baptista, Ludivine; Compère, Philippe; Ek, Camille · Zeitschrift für Geomorphologie · 2007