TY  - BOOK
AU  - Backman, Dana E
AU  - Seeds, Michael A
TI  - Astro
SN  - 9780538738040
U1  - 520 BAC 
PY  - 2011///
CY  - Boston, MA
PB  - Brooks/Cole, Cengage Learning
KW  - Astronomy - Textbooks
ER  -