1. Noticia del hallazgo de Baleaphryne (Amphibia: Anura: Discoglossidae) viviente en Mallorca;Alcover;Doñana, Acta Vertebrata,1980
2. Phylogeny and biogeography of midwife toads: a reappraisal;Altaba;Contrib. Zool.,1997
3. Mitochondrial DNA sequence divergence and phylogenetic relationships among eight chromosome races of the Sceloporus grammicus complex (Phrynosomatidae) in central Mexico;Arévalo;Sys. Biol.,1994
4. Morphological and allozyme studies of midwife toads (genus Alytes), including the description of two new taxa from Spain;Arntzen;Contrib. Zool.,1995
5. Phylogeny and biogeography of midwife toads (Alytes, Discoglossidae): a rebuttal;Arntzen;Contrib. Zool.,1997