Różyło, K., Świeca, M., Gawlik-Dziki, U., Kwiecińska-Poppe, E., Andruszczak, S., & Kraska, P. (2017). Phytochemical properties and heavy metal accumulation in wheat grain after three years’ fertilization with biogas digestate and mineral waste. Agricultural and Food Science, 26(3), 148–159. https://doi.org/10.23986/afsci.63156