Harangozo, Ľuboš, Peter Lazor, Miriama Kopernická, Pavol Trebichalský, Janette Musilová, Július Árvay, and Daniel Bajčan. 2017. “Copper Content in Cereals Grown in the Model Condition”. Potravinarstvo Slovak Journal of Food Sciences 11 (1):20-25. https://doi.org/10.5219/693.