Francesco Sdao (*), Serena Parisi (*), Despina Kalisperi (**) & Pantelis Soupios (***)
(*) Dipartimento di Strutture, Geotecnica, Geologia Applicata, Università della Basilicata, Italy. E-mail: francesco.sdao@unibas.it
(**) Institute for the Environment, Brunel University, London, UK.
(***) Technological Educational Institute of Crete, Greece.