Michael Vavelidis. "THE  STONE MUSEUM IN PETROTA OF EVROS (NE GREECE): AN EXHIBITION OF ROCK SPECIMENS RELATED TO THE LOCAL GEOLOGY AND THE ANCIENT QUARRYING ACTIVITY." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2012 12th International Multidisciplinary Scientific GeoConference, 2012. https://doi.org/10.5593/sgem2012/s01.v1040