Morozkov, N.A., et al. “The Use of Vitamin-Herbal Flour from Leuzea Safflower, Rhaponticum Carthamoides (willd) in Raising Pedigree Young Cattle”. Perm Federal Research Centre Journal, no. 4, Nov. 2018, pp. 39-45, https://doi.org/10.7242/1998-2097/2018.4.6.