Wysokiński, A., i B. Kuziemska. „Effect of Various Nitrogen Doses on Chromium and Nickel Content, Accumulation and Translocation in Yellow Lupine”. Polish Journal of Agronomy, t. 40, nr 40, marzec 2020, s. 25-31, doi:10.26114/pja.iung.400.2020.40.04.