LIMA, M. C., M. F. SOUZA, G. F. EÇA, and M. A. SILVA. “Export and Retention of Dissolved Inorganic Nutrients in the Cachoeira River, Ilhéus, Bahia, Brazil”. Journal of Limnology, vol. 69, no. 1, Feb. 2010, pp. 138-45, doi:10.4081/jlimnol.2010.138.