RESIDUES OF POLYCYCLIC AROMATIC HYDROCARBONS FROM REFINERY SPENT CATALYSTS.Published in:Environmental Engineering & Management Journal (EEMJ), 2009, v. 8, n. 4, p. 935, doi. 10.30638/eemj.2009.135By:Draghici, Camelia;Dobrinas, Simona;Chirila, Elisabeta;Stanciu, GabrielaPublication type:Article