Kaegi, Walter Emil.
Byzantium and the early Islamic conquests /
Walter E. Kaegi 
. - Cambridge : New York : Oakleigh : Cambridge University Press,  1996 
. - xiii, 313 p.  map.  24 cm. 
<br/>К.: Бібліогр. : c. 288-305, Index 
<br/><label>  ISBN: </label>0-521-48455-3