Baldo, Francisco, José A Cuesta, Carlos Fernández-Delgado, and Pilar Drake. 2005. “Effect of the Regulation of Freshwater Inflow on the Physical-Chemical Characteristics of Water and on the Aquatic Macrofauna in the Guadalquivir Estuary”. Ciencias Marinas 31 (3):467-76. https://doi.org/10.7773/cm.v31i3.48.