1. L’evoluzione della zootecnia bovina tra gli ultimi due censimenti dell’agricolture;Boccaletti;Agriregionieuropa,2012
2. Livestock-handling related injuries and deaths;Dogan,2012
3. Animal waste: opportunities and challenges;Girotto,2016
4. The Global Burden of Disease: A Comprehensive Assessment of Mortality and Disability From Diseases, Injuries, and Risk Factors in 1990 and Projected to 2020;Murray,1998