TY  - BOOK
AU  - Al-Hasan Yusuf Au.  
TI  - Risalat fi-al-istarab
U1  - B9, 28H8 
PY  - 1948///
CY  - Hyderabad
PB  - Dairat-al-marif-al-Osmania India        
KW  -  ASTRONOMY
KW  -  MATHEMATICS
KW  - ARABIC LANGUAGE
ER  -