BIBLIOGRAPHY REFERENCE: BOOK Tri titana (Abū Nasr al-Fārābī, Abū Rayhān Berūnī, Abū Alī ibn Sīnā) Author Vahid Zahidov (Author) Year of Publication 1973 City Tashkent Other Numbers 11133 See reference for OpenMind ISMI items with this reference Person: Abū Rayḥān Muḥammad ibn Aḥmad al-Bīrūnī