Zhukova, Y., Petrov, P., Demikhov, Y., Mason, A., & Korostynska, O. (2017). Milk Urea Content and δ13C as Potential Tool for Differentiation of Milk from Organic and Conventional Low- and High-Input Farming Systems. Turkish Journal of Agriculture - Food Science and Technology, 5(9), 1044–1050. https://doi.org/10.24925/turjaf.v5i9.1044-1050.1286