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3. Body plan: development and morphology;Altig,1999
4. Scanning electron photomicrographs of tadpole labial teeth;Altig;J. Herpetol.,1974
5. La guia de Incafo de los Amfibios y Reptiles de la Peninsula Iberica, Islas Baleares y Canarias – Guyas verdes de Incafo;Barbadillo Escriva,1987