van Wees , J.-D., M. van Putten, M.P.D. Pluymaekers, H. Mijnlieff, P. van Hooff, A. Obdam, and L. Kramers. “Geothermal Aquifer Performance Assessment for Direct Heat Production – Methodology and Application to Rotliegend Aquifers”. Netherlands Journal of Geosciences 91 (March 24, 2014): 651-665. Accessed March 28, 2026. https://njgjournal.nl/index.php/njg/article/view/12119.