Borrego, J., Carro, B., Grande, J., de la Torre, M., Valente, T. and Santisteban, M. (2013): “Control factors on the composition of superficial sediments in estuaries of the coast of Huelva (SW Spain): a statistical approach”., Journal of Iberian Geology, 39(2), pp. 223–232. doi: https://doi.org/10.5209/rev_JIGE.2013.v39.n1.41760.