Cruse, Rick, Don Huggins, Christian Lenhart, Joe Magner, Todd Royer, y Keith Schilling. «Assessing the Health of Streams in Agricultural Landscapes: The Impacts of Land Management Change on Water Quality». Council for Agricultural Science and Technology (CAST) (marzo 14, 2012). Accedido julio 1, 2026. https://publications.cast-science.org/CAST/article/view/120.