Bobková, A. ., M. . Fikselová, M. . Bobko, Ľubomí­r . Lopašovský, T. . Tóth, and L. . Zeleňáková. “Selected Parameters of Quality and Safety of Herbal Tea”. Potravinarstvo Slovak Journal of Food Sciences, vol. 9, no. 1, May 2015, pp. 183-9, doi:10.5219/451.