Affiliation: | a Environmental Engineering Laboratory, Civil Engineering Department, University of Patras, 26500 Patras, Greece;b Department of Geology, University of Patras, 26500 Patras, Greece;c Department of Mechanical Engineering, Technological Educational Institute (TEI) of Patras, 26334 Patras, Greece;d Institute of Materials Science, NCSR Demokritos, 15310 Aghia Paraskevi, Attiki, Greece |