(3CHh GdQjMGf eMeO Hf CMeO GdHjQhfi (B/s - (3GdafOi, eMeO LeGds; Ahmad, Ibrahim (al-Qahirah : Dar al-Katib al-'Arabi, 1968)
p.177
Keywords: Biruni, Muhammad ibn Ahmad, -- 973?-1048