1. , , , , . 2007. New Frontiers in Mature Areas–The Hydrocarbon Potential of the Pre-Westphalian in the Netherlands On- and Offshore. European Association of Geoscientists and Engineers, 69th Conference and Technical Exhibition–June 11–14, London: abstract F-038.
2. . 2007. After the collapse of stromatoporid-sponge-coral reefs–The Famennian and Dinantian reefs of Belgium: much more than Waulsortian mounds. In Palaeozoic Reefs and Bioaccumulations: Climatic and Evolutionary Controls, , , , , (eds). Special Publications, Geological Society, London 275: 163–188.
3. , , , . 1993. Permo-Carboniferous plays of the Silver Pit Basin. In Petroleum Geology of Northwest Europe: Proceedings of the 4th conference, (ed.). Geological Society, London; 707–715.