Camargo, Julio A., and Alma Jiménez. 2007. “Ecological Responses of Epilithic Diatoms and Aquatic Macrophytes to Fish Farm Pollution in a Spanish River”. Anales Del Jardín Botánico De Madrid 64 (2):213-19. https://doi.org/10.3989/ajbm.2007.v64.i2.177.