Full reference OpenMind biblio ref
Hogendijk, Jan. 1996. “Which Version Of Menelaus’ Spherics Was Used By Al-Muʾtaman Ibn Hūd In His Istikmāl?”. In Mathematische Probleme Im Mittelalter, ed. Menso Folkerts. Wiesbaden: Harrassowitz.
{ Jan Hogendijk, Menso Folkerts, 1996 #11997 }