Radiocarbon 

 -  2003 
 -  45/1 .
<br/><br/><label>ISSN: </label>0033 8222 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Christianity and other religions--Islam<br/>Crusades--History<br/>Middle Ages--Syria<br/>Nur-ad-Din, Atabeg of Syria, 1118-1174<br/>Syria--Antiquities