Silar، D. I. J. (1981). REPORT ON RADIOCARBON DATING OF THE SAMPLE FROM TEL ES-SAWWAN IRAQ. سومر، مج34, ج1,2 ، 151. مسترجع من http://search.mandumah.com/Record/679187
Silar، Doc. Ing. Jan. "REPORT ON RADIOCARBON DATING OF THE SAMPLE FROM TEL ES-SAWWAN IRAQ." سومر مج34, ج1,2 (1981): 151. مسترجع من http://search.mandumah.com/Record/679187