TY  - BOOK
AU  - 
AU  - Backman, Dana E.
TI  - Foundations of astronomy
SN  - ISBN 978-1-337-39992-0
AV  - LCCN 2017945320 (print)
U1  - GC 520 S451 2019 
PY  - 2019///
CY  - Boston, MA
PB  - Cengage Learning, Inc.
KW  - Astronomy
KW  - Universe
N1  - Includes bibliographical references and index
ER  -