KAVKA, Miroslav. Analysis of economic risks of hop growing. In Agricultural economics : an international journal = mezinárodní vědecký časopis. - Prague : Institute of Agricultural and Food Information, 2006. ISSN 0139-570X, 2006, vol. 52, no. 2, s. 76-82. Dostupné na : <http://www.agriculturejournals.cz/publicFiles/57996.pdf>