1. Food and Agriculture Organization (FAO) (2016) The global dairy sector: facts. https://www.fil-idf.org/wp-content/uploads/2016/12/FAO-Global-Facts-1.pdf. Accessed 4 June 2020
2. Food and Agriculture Organization (FAO) (2019) Climate change and the global dairy cattle sector: the role of the dairy sector in a low-carbon future. FAO, Roma
3. Practices responsible for variations in physical requirements and economic costs of milk production on Wisconsin dairy farms. Wisconsin Agricultural Experiment Station Bulletins 79
4. Ezekiel M, Rauchenstein E, Wells O (1932) Farmers’ response to price in the production of market milk. United States Department of Agriculture, Bureau of Agricultural Economics, Washington, DC
5. Cassels JM (1933) The nature of statistical supply curves. J Farm Econ 15:378–387. https://doi.org/10.2307/1231011