SYROVÁTKA, Pavel. Income elasticity of food expenditures of the average Czech household. In Agricultural economics : an international journal = mezinárodní vědecký časopis. - Prague : Institute of Agricultural and Food Information, 2004. ISSN 0139-570X, 2004, vol. 50, no. 7, s. 309-316. Dostupné na : <http://www.agriculturejournals.cz/publicFiles/58750.pdf>