TY  - BOOK
AU  - Seeds,Michael A.
TI  - Horizons: exploring the universe
SN  - 0534392687
AV  - QB45 .S44 2004 
PY  - 2004///
CY  - Belmont, CA : 
PB  - Thomson Brooks/Cole, 
KW  -  Astronomy.
N1  - includes appendix
ER  -