Batlokwa, B., L. Chimuka, Z. Tshentu, E. Cukrowska, and N. Torto. “An Ion-Imprinted Polymer for the Selective Extraction of mercury(II) Ions in Aqueous Media”. Water SA, vol. 38, no. 2, May 2012, pp. 255-60, doi:10.4314/wsa.v38i2.11.