Strauss, D. F. M. “The Problem of Continuity and Discontinuity With Special Reference to Modern Biology II”. Tydskrif vir Christelike Wetenskap | Journal for Christian Scholarship 46, no. 3 - 4 (December 17, 2010): 173–184. Accessed October 5, 2025. https://pubs.ufs.ac.za/index.php/tcw/article/view/227.