Demiray, D., S. Sözen, and D. Orhon. “Inorganic Particulate Sludge Production in Biological Processes”. ITU ARI Bulletin of Istanbul Technical University, vol. 54, no. 02, July 2004, pp. 12-18, https://ari.itu.edu.tr/index.php/ituari/article/view/48.