Chioniades, Gregory 13th/14th cent..
The astronomical works of Gregory Chioniades /
David Pingree 
. - Amsterdam : J.C. Gieben,  1985- 
. - v.  23 cm. 
 - (Corpus des astronomes byzantins )
<br/> V. 1. The zīj al- ālā' Ī. Pt. 1 : Text, translation, commentary  <br/>  V. 1. The zīj al- ālā' Ī. Pt. 2 : Tables  <br/>  <br/>