Στιμάρατζης Θ., Χρηστάρας Β., Δημόπουλος Γ., Κίλιας A., Χατζηαγγέλου M., and Χατζήγώγος Ν., “STUDY OF THE STABILITY CONDITIONS OF A HIGH CUT SLOPE ALONG EGNATIA HIGHWAY (ASPROVALTA - MACEDONIA)”, geosociety, vol. 36, no. 4, pp. 1833–1842, Jan. 2004.