Published Protection of environment by the use of fly ash in road construction by Escioglou P. and Oikonomou N.
Published Seasonal variations in dissolved heavy metals in the Keritis river, Chania, Greece by Papafilippaki A.K., Kotti M.E. and Stavroulakis G.G.
Published The ways to prevent formation of water-soluble fluorine compounds when producing phosphate fertilizers by Molchanov P.A., Denanov G.A., Podobna Y.Y. and Korniychuk T.K.