Del-Valls, TA, JM Forja, and A Gomez-Parra. 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):127-54. https://doi.org/10.7773/cm.v24i2.1207.