J.M. Verweij, H.J. Simmelink, R.T. Van Balen, and P. David. “History of Petroleum Systems in the Southern Part of the Broad Fourteens Basin”. Netherlands Journal of Geosciences 82 (April 1, 2003): 71-90. Accessed March 31, 2026. https://njgjournal.nl/index.php/njg/article/view/11424.