GIPPOLITI, S. (2014) – zootier-lexikon.org https://www.zootier-lexikon.org/index.php?option=com_k2&view=item&id=4419%3Agippoliti-s-2014&Itemid=217
The forgotten donkey’s history. Remarks on African wild asses of the Giardino Zoologico in Rome and their relevance for Equus africanus (von Heuglin &…
considered as the result of some intergradations between Somali