Bodor Attila; Sipos Tibor; Vincze György Erik; Petrovszki Péter; Feigl Gábor; Bounedjoum Naila; Laczi Krisztián; Szilágyi Árpád; Rákhely Gábor; Perei Katalin: Alterations in soil fertility after used lubricating oil bioremediation.