Cabral, H. N., Castro, F., Linhares, D. and Alexandrino, P. (2003) “Genetic differentiation of Solea solea (Linnaeus, 1758) and Solea senegalensis Kaup, 1858, (Pisces: Pleuronectiformes) from several estuarine systems of the Portuguese coast”, Scientia Marina, 67(1), pp. 43–52. doi: 10.3989/scimar.2003.67n143.