Eliot, Christopher. Method and metaphysics in Clements’s and Gleason’s ecological explanations. Studies in History and Philosophy of Science Part C: Studies in History and Philosophy of Biological and Biomedical Sciences. March 2007, 38 (1): 85–109. PMID 17324810. doi:10.1016/j.shpsc.2006.12.006.
Eliot, Christopher. Method and metaphysics in Clements’s and Gleason’s ecological explanations. Studies in History and Philosophy of Science Part C: Studies in History and Philosophy of Biological and Biomedical Sciences. March 2007, 38 (1): 85–109. PMID 17324810. doi:10.1016/j.shpsc.2006.12.006.