Vasile, Gabriela GeaninaGabriela GeaninaVasileCruceru, LilianaLilianaCruceruPetre, JanaJanaPetre2017-12-042017-12-0420061311-5065http://hdl.handle.net/123456789/1119Journal of Environmental Protection and Ecology, vol. 7, no. 2, pp. 293-300, 2006en-USAnalytical methodsExchangeable formsHeavy metalsSedimentsDanube DeltaAnalytical investigation concerning the methods for extraction of exchangeable forms of heavy metals from the sediment from the Danube DeltaArticle