ISMI Islamic Scientific Manuscripts Initiative

Full reference OpenMind biblio ref
Hogendijk, Jan. 2001. “The Contributions By Abu Nasr Ibn ʿIrāq And Al-Ṣāghānī To The Theory Of Seasonal Hour Lines On Astrolabes And Sundials”. Zeitschrift Für Geschichte Der Arabisch-Islamischen Wissenschaften 14: 1-30.
 { Jan Hogendijk, 2001 #356 }