STRAUSS, D. F. M. Did Darwin get over the Second Hurdle? (The Problem of Constancy amidst Change). Tydskrif vir Christelike Wetenskap | Journal for Christian Scholarship, [S. l.], v. 45, n. 4, p. 1–32, 2009. Disponível em: https://pubs.ufs.ac.za/index.php/tcw/article/view/183. Acesso em: 11 oct. 2025.