A. Mendelová, Ľubomír Mendel, P. Czako, and J. Mareček, “TRACKING CHANGES IN CHLOROPHYLL AND CAROTENOIDS IN THE PRODUCTION PROCESS OF FROZEN SPINACH PURÉE”, J microb biotech food sci, vol. 3, no. special issue 3 (Food Sciences), pp. 263–266, Feb. 2014.