Paulionytė, Skaistė, and Aušra Mažeikienė. “Biological Nitrogen Removal from Wastewater in Cold Period”. Mokslas – Lietuvos ateitis / Science – Future of Lithuania 8, no. 4 (October 24, 2016): 468-474. Accessed April 24, 2024. https://journals.vilniustech.lt/index.php/MLA/article/view/2523.