Apak R., Yalcin S. and Demirci Cekic S., "Chelating Ion Exchange for Preconcentration and Speciation in Analytical Chemistry: Selected Examples" (Proceedings of IEW 2006, p.175); International Workshop on Frontiers and Interfaces of Ion Exchange, 11-15 June 2006, Hotel Porto Bello, Antalya,TURKEY.