Full reference OpenMind biblio ref
Saliba, George. 1990. The Astronomical Work of Muʾayyad al‐Dīn al‐ʿUrḍī (Kitāb al‐Hayʾa): A Thirteenth Century Reform of Ptolemaic Astronomy. Bayrūt: Markaz dirāsat al‐wahda al‐ʿarabiyya.
{ George Saliba, 1990 #1344 }