Hiendleder, Stefan; Bernhard Kaupe; Rudolf Wassmuth; Axel Janke (7 de maio de 2002). «Molecular analysis of wild and domestic sheep questions current nomenclature and provides evidence for domestication from two different subspecies». Proceedings. Biological sciences / The Royal Society. 269 (1494): 893-904. ISSN0962-8452. doi:10.1098/rspb.2002.1975
Hiendleder, Stefan; Bernhard Kaupe; Rudolf Wassmuth; Axel Janke (7 de maio de 2002). «Molecular analysis of wild and domestic sheep questions current nomenclature and provides evidence for domestication from two different subspecies». Proceedings. Biological sciences / The Royal Society. 269 (1494): 893-904. ISSN0962-8452. doi:10.1098/rspb.2002.1975