Bakos V, Tardy G, Palkó G, Jobbágy A. Pilot-scale verification of efficient nitrifier backseeding in a combined activated sludge-biofilm system. Period. Polytech. Chem. Eng. [Internet]. 2013 Jan. 1 [cited 2024 May 2];57(1-2):93-9. Available from: https://pp.bme.hu/ch/article/view/2177