Seigel, R.A.; Brandt, L.A.; Knight, J.L. & Novak, S.S. Ecological studies on the American alligator (Alligator mississippiensis) on the Savannah River Plant, report, June 1, 1986; (https://digital.library.unt.edu/ark:/67531/metadc1089568/m1/1/: accessed April 23, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .