ŠIMO, Dušan - KULKOVÁ, Natália. The Comparison of natural and value indicators of cereals in the Slovak Republic in accession period to European Union. In Agricultural economics : an international journal = mezinárodní vědecký časopis. - Prague : Institute of Agricultural and Food Information, 2004. ISSN 0139-570X, 2004, vol. 50, no. 8, s. 336-341. Dostupné na : <http://www.agriculturejournals.cz/publicFiles/58757.pdf>