OMGBU, J.A., OHOCHUKU, N.S., IWEANYA, V. and OBASEKI, E.M. 1997. ?COCONUT PALM (COCOS NUCIFERA) HUSK AS A POTENTIAL ADSORBENT FOR LEAD, CADMIUM AND ZINC IONS IN INDUSTRIAL WASTE EFFLUENTS. Biological Sciences - PJSIR. 40, 1-4 (Apr. 1997), 1–3.