Downing, John A., James L. Baker, Robert J. Diaz, Tony Prato, Nancy N. Rabalais, y Roger J. Zimmerman. «Gulf of Mexico Hypoxia: Land and Sea Interactions». Council for Agricultural Science and Technology (CAST) (junio 29, 1999). Accedido julio 1, 2026. https://publications.cast-science.org/CAST/article/view/197.