TY  - BOOK
AU  -  Seeds, Michael A
AU  - Backman, Dana E
TI  - Introductory Astronomy
SN  - 139780538738040
AV  - QB 61 .B37 2011 7616
PY  - 2011///
CY  - United States .
PB  - Brooks / Cole Cengage Learning.
KW  - 1.Astronomy -- Textbooks.
N1  - Includes index
ER  -