P. Kavalcová, J. Bystrická, T. Tóth, B. Volnová, M. Kopernická, and ĽuboÅ¡ Harangozo, “POTASSIUM AND ITS EFFECT ON THE CONTENT OF POLYPHENOLS IN ONION (ALLIUM CEPA L.)”, J microb biotech food sci, vol. 4, no. special issue 3 (Food Sciences), pp. 74–77, Feb. 2015.