Vasconcelos, R. P., Reis-Santos, P., Maia, A., Ruano, M., Costa, M. J. and Cabral, H. N. (2011) “Trace metals (Cu, Zn, Cd and Pb) in juvenile fish from estuarine nurseries along the Portuguese coast”, Scientia Marina, 75(1), pp. 155–162. doi: 10.3989/scimar.2011.75n1155.