Caramia, G., G. Losi, N. Frega, G. Lercker, M. Cocchi, A. Gori, and L. Cerretani. 2012. “Milk and Butter. From the Neolithic to the Current Nutritional Aspects”. La Pediatria Medica E Chirurgica 34 (6). https://doi.org/10.4081/pmc.2012.51.