Full reference OpenMind biblio ref
Dizer, Muammer. 1977. “The Daʾirat Al-Muʿaddal In The Kandilli Observatory, And Some Remarks On The Earliest Recorded Islamic Values On The Magnetic Declination”. Journal For The History Of Arabic Science 1 (2): 257-260.
{ Muammer Dizer, 1977 #11951 }