{"id":"000418502","type":"article","title":"International Symposium on the Deterioration and Protection of Stone Monuments. Paris, 5.-9. Juni 1978","pages":"198-207","container-title":"Berliner Beiträge zur Archäometrie, 3.1978","author":[{"family":"Riederer","given":"J."}],"issued":{"raw":"1978"}}