Providakis, C.P., Liarakos, E.V. & Kampianakis, E. (ηλεκτρονική δημοσίευση αρχές 2013, δημοσίευση σε paper Αυγ. 2013). "Non-destructive wireless monitoring of early-age concrete strength gain using an innovative electromechanical impedance sensing system." Journal of Smart Materials Research, vol. 2013, ID 932568. www.hindawi.com/journals/smr/2013/932568.