Full reference OpenMind biblio ref
Tagi-zade, Asif. 1974. “Astrolyabii Al-Sagani, Al-Biruni, Al-Sijizi I Al-Zarkali”. In Actes Du Congrès International D’histoire Des Sciences (Moscow, 1971), 3-4:143-46.
{ Asif Tagi-zade, 1974 #11202 }