A. Nečiporenko, F. Ivanauskas, J. Dabulytė-Bagdonavičienė, A. Povilaitis, and V. Laurinavičius, “Nitrate removal in woodchip denitrification bioreactor – an approach combining mathematical modelling and PI control”, JEELM, vol. 30, no. 1, pp. 13–21, Jan. 2022, doi: 10.3846/jeelm.2022.15295.