Willems , C. J., A. Vondrak, H. F. Mijnlieff, M. E. Donselaar, and B. M. van Kempen. “Geology of the Upper Jurassic to Lower Cretaceous Geothermal Aquifers in the West Netherlands Basin – an Overview”. Netherlands Journal of Geosciences, Mar. 2020, doi:10.1017/njg.2020.1.