Gregorius Chioniades, ca. 1240-ca. 1320 |
The astronomical works of Gregory Chioniades. Volume 1, The Zij al-Ala i / [edited] by David Pingree |
Amsterdam : J.C. Gieben, 1985-1986. |
Paschos, Emanuel A. |
The Schemata of the stars : Byzantine astronomy from A.D. 1300 / E.A. Paschos, P. Sotiroudis. |
Singapore : World scientific, c1998. |