Full reference OpenMind biblio ref
Kennedy, Edward. 1998. On The Contents And Significance Of The Khāqānī Zīj By Jamshīd Ghiyāth Al-Dīn Al-Kāshī.. Islamic Mathematics And Astronomy. Frankfurt am Main: Institute for the History of Arabic-Islamic Science at the Johann Wolfgang Goethe University.
{ Edward Kennedy, 1998 #1241 }