„Analysis and Recovery of Sludge from the Waste Water Filtering Station of Galaţi for Use in Agriculture“, Ann_UGAL_MMS, Bd. 40, Nr. 4, S. 5–8, Dez. 2017, Zugegriffen: Nov. 02, 2026. Verfügbar unter: https://ojs.ugal.ro/index.php/mms/article/view/1121