Conde, A., J. M. Novais, and J. Domínguez. “Distribution of Intertidal Macrobenthic Assemblages in Relation to Environmental Factors in the Tagus Estuary, Western Portugal”. Scientia Marina, vol. 77, no. 1, Mar. 2013, pp. 179-88, doi:10.3989/scimar.03628.21E.