TY  - BOOK
AU  - KALER,JAMES B
TI  - THE EVER - CHANGING SKY: A GUIDE TO THE CELESTIAL SPHERE / 
U1  - 522.7 
PY  - 1996///
CY  - [S.N] : 
PB  - CAMBRIDGE UNIVERSITY PRESS ، 
KW  - الادب السويسرى
KW  - SPHERICAL ASTRONOMY
KW  - CELESTIAL SPHERE
ER  -