Cheimonas, Th., E. Manoutsoglou, M. Stavroulaki, and N. Skoutelis. “CLASSIFICATION OF BUILDING STONES OF THE FRANGOKASTELLO CASTLE, SFAKIA, CRETE”. Bulletin of the Geological Society of Greece 50, no. 1 (July 27, 2016): 209–217. Accessed October 7, 2022. https://ejournals.epublishing.ekt.gr/index.php/geosociety/article/view/11721.