R. Stanovič, Árvay Július, H. ĽuboÅ¡, K. Michal, and T. Tomáš, “CADMIUM AND NICKEL CONTENT IN FROZEN SPINACH FROM SLOVAKIA SALES NETWORK”, J microb biotech food sci, vol. 3, no. special issue 3 (Food Sciences), pp. 289–290, Feb. 2014.