Dieu Phan, T. T. .; Bittová, M. .; Mikulášek, K. .; Kráčmar, S. .; Kubáň, V. .; Valášek, P. .; Svobodová, B. . Content of 4(5)-Methylimidazole, Caffeine and Chlorogenic Acid in Commercial Coffee Brands. Potr. S. J. F. Sci. 2015, 9, 31-38.