JÁNSKÝ, Jaroslav. Analysis of current situation in sales of selected organic products in the Czech Republic. In Agricultural economics : an international journal = mezinárodní vědecký časopis. - Prague : Institute of Agricultural and Food Information, 2005. ISSN 0139-570X, 2005, vol. 51, no. 7, s. 309-313. Dostupné na : <http://www.agriculturejournals.cz/publicFiles/58274.pdf>