Bibliography
Gonçalves, H. A., Í. Martínez-Solano, N. Ferrand de Almeida, and M. García-París . 2007. Conflicting phylogenetic signal of nuclear vs mitochondrial DNA markers in midwife toads (Anura, Discoglossidae, Alytes): deep coalescence or ancestral hybridization?. Molecular Phylogenetics and Evolution 44: 494-500.
