Kramarenko, S., N. Kuzmichova, and A. Kramarenko. “The Use of Multidimensional Methods of Analysis of the Intra-Breed Variability of Fat Content in Milk of Dairy Cattle”. Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies. Series: Agricultural Sciences, Vol. 21, no. 91, Nov. 2019, pp. 3-9, doi:10.32718/nvlvet-a9101.