press on dayiring
http://www.lescienze.it/news/2012/06/20/news/sahara_deserto_primi_prodotti_caseari-1102002/
http://www.cdt.ch/eureka/terra/65249/sahara-scoperta-fattoria-di-7000-anni.html
http://www.tio.ch/Estero/News/687066/Un-caseificio-nel-Sahara-verde-di-7000-anni-fa
http://www.msnbc.msn.com/id/47893444/ns/technology_and_science-science/#.T-K7Oo5hnPg
http://www.nature.com/news/pottery-shards-put-a-date-on-africa-s-dairying-1.10863
http://www.livescience.com/21070-green-sahara-hosted-african-dairy-farms.html
http://www.sciencedaily.com/releases/2012/06/120620133153.htm
http://www.sciencenews.org/view/generic/id/341669/title/Ancient_North_Africans_got_milk
http://news.discovery.com/history/milk-ancient-africans-120620.html
http://planetsave.com/2012/06/21/cattle-milked-at-least-7000-years-ago/
http://nanopatentsandinnovations.blogspot.it/2012/06/indisputable-proof-people-milking-cows.html
An article issued on 'Il Sole 24 Ore' is also attached below.