TY  - BOOK
AU  - Zeilik, Michael and Gregory, Stephen, A.
TI  - Introductory Astronomy and Astrophysics
SN  - 9780030062285
PY  - 1998///
CY  - New York
PB  - Saunders Colllege Publishing 
KW  -  
KW  - Physics
ER  -