„Danube Delta Biosphere Reserve - ten years of toxic substances investigations“, Ann_UGAL_Math_Phys_Mec, Bd. 40, Nr. 1, S. 55–60, Juni 2017, Zugegriffen: Nov. 02, 2026. Verfügbar unter: https://ojs.ugal.ro/index.php/math/article/view/1250