Full reference OpenMind biblio ref
Charette, François, and Petra Schmidl. 2004. “Al-Khwārizmī and Practical Astronomy in Ninth-Century Baghdad, the Earliest Extant Corpus of Texts in Arabic on the Astrolabe and Other Portable Instruments”. SCIAMVS 5: 101-98.
{ François Charette, Petra Schmidl, 2004 #10910 }