TY  - BOOK
AU  - Parker, George W. .
TI  - Elements of Astronomy
U1  - 523 
PY  - 1959///
CY  - Patna
PB  - Scinetific Book Co.
KW  - Astronomy
KW  - G-Mathematics
KW  - T/G- Mathematics
KW  - G-Math
KW  - T/G-Astronomy
N1  - Index
ER  -