{"id":"001216499","type":"book","title":"Geophysical survey of tumuli in The Valley of the Kings, Central Bulgaria. Prognosis and archaeological evidence","publisher":"University of Bradford, Dept. of Archaeological Sciences","pages":"209-217","container-title":"Archaeological Prospection, 3,4 (1996","author":[{"family":"Tonkov","given":"N."}],"issued":{"raw":"1996"}}