Full reference OpenMind biblio ref
Samsó, Julio. 1987. “Al-Zarqāl, Alfonso X and Peter of Aragon on the Solar Equation”. In From Deferent to Equant : A Volume of Studies in the History of Science in the Ancient and Medieval Near East in Honor of E.S. Kennedy, eds. David King and George Saliba, 467-76. New York: New York Academy of Sciences.
{ Julio Samsó, David King, George Saliba, 1987 #11396 }