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.,
Phosphorus and organic matter removal from synthetic wastewater using alum and aluminum hydroxide by Georgantas D.A. and Grigoropoulou H.P.
Effects of pyrolysis temperature, residence time on the reactivity of clean coals produced from poor quality coals by Skodras G., Natas P., Basinas P. and Sakellaropoulos G.P.