The Acropolis : problems - measurements - studies, measures to be taken : communications of the working group at the 2nd International Symposium on the Deterioration of Building Stones, Athens, 27 Sept. - 1 Oct. 1976. (Ministry of Culture and Science Greece., 1976)
Extract from the Symposium Proceedings. -- Επικεφαλίδα: Υπουργείον Πολιτισμού και Επιστημών.
At head of t.p.: Hellenic Republic, Ministry of Culture and Science, Working Group on the Preservation of the Acropolis Monuments.