Mereu, P., M. Pirastru, C. Multineddu, L. Manca, and B. Masala. “Phylogenetic Relationships and Molecular Dating of the Main Evolutionary Events Within Caprini Tribe Inferred by MtDNA and Globin Genes Sequence”. Journal of Biological Research - Bollettino Della Società Italiana Di Biologia Sperimentale, vol. 83, no. 1, Jan. 2010, doi:10.4081/jbr.2010.4463.