NICKEL AND IRON CONCENTRATIONS IN PLANTS FROM MINING AREA POGRADEC, ALBANIA.Published in:Environmental Engineering & Management Journal (EEMJ), 2014, v. 13, n. 4, p. 861, doi. 10.30638/eemj.2014.090By:Sawidis, Thomas;Halley, John M.;Llupo, Sonila;Bellos, Dimitrios;Veros, Dimitrios;Symeonidis, LazarosPublication type:Article