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 Saliba, George, 467-476. New York: New York Academy of Sciences.
{ Julio Samsó, David King, George Saliba, 1987 #11396 }