Effect of growth conditions on biosorption of cadmium and copper by yeast cells by Anagnostopoulos V.A., Symeopoulos B.D. and Soupioni M.J.
Study of polyacrylic acid adsorption on the interface of hydroxyapatite – electrolyte solutions by Hafez I.T., Paraskeva C.A., Klepetsanis P.G. and Koutsoukos P.G.,