Coupe RH, Goolsby DA, Battaglin WA, Böhlke JK, McMahon PB, Kendall C. Transport of Nitrate in the Mississippi River in July-August 1999. AES [Internet]. 2013 Apr. 27 [cited 2026 Jul. 17];7. Available from: https://openjournals.neu.edu/aes/journal/article/view/v7art3