Krupová, Z., E. Krupa, M. Wolfová, and M. Michaličková. “Impact of Variation in Production Traits, Inputs Costs and Product Prices on Profitability in Multi-Purpose Sheep”. Spanish Journal of Agricultural Research, Vol. 12, no. 4, Oct. 2014, pp. 902-1, doi:10.5424/sjar/2014124-6166.