Del-Valls, T., Forja, J., & Gomez-Parra, A. (2007). The use of multivariate analysis to link sediment contamination and toxicity data to establish sediment quality guidelines an example in the Gulf of Cadiz (Spain). Ciencias Marinas, 24(2), 127–154. https://doi.org/10.7773/cm.v24i2.1207