TY  - BOOK
AU  - Usman,F.M.
TI  - Earth is constant, Sun rounds the earth
U1  - 521.54 
PY  - 1975///
CY  - Thanjavur
PB  - Usman Publications
KW  - Celestial mechanics
KW  - Miscellanea
KW  - Earth
KW  - Rotation
KW  - Sun
ER  -