Abu Shacker's "Chronography" ; A Treatise of the 13th Century on Chronological, Calendrical, and Astronomical Matters, written by a Christian Arab, preserved in Ethiopic /
A Summary by Otto Neugebauer 
. - Wien : Verlag der Еsterreichischen Akademie der Wissenschafte,  1988 
. - 198, 7 s.  24 cm. 
 - (Еsterreichische Akademie der Wissenschaften. Philosop )
<br/>К.: 7  plates. 
<br/><label>  ISBN: </label>3-7001-1470-2