M. H. L. G. Heijnens and J. M. Tijssen (1982) “The influence of the development of a Weichselian coversand ridge on the drainage of a river valley in Noord Brabant (The Netherlands); A geomorphological and palynological study”, Netherlands Journal of Geosciences, pp. 191-199. Available at: https://njgjournal.nl/index.php/njg/article/view/13494 (Accessed: 1April2026).