East of Byzantium : Syria and Armenia in the formative period  /
editors : Nina G. Garsoa̐n, Thomas F. Mathews, and Robert W. Thomson 
. - Washington : Dumbarton Oaks,  Center for Byzantine Studies,  Trustees for Harvard University,  1982 
. - xii, 222 p.  ill.  29 cm. 
<br/><label>  ISBN: </label>0-88402-104-1