TY  - BOOK
AU  - Moulton,Forest Ray
TI  - An Introduction to Astronomy
AV  - QB 
PY  - 2010///
CY  - Salt Lake City, UT
PB  - Project Gutenberg
KW  - Astronomy
N1  - Release date is 2010-04-24; Original publication data not identified
UR  - https://www.gutenberg.org/ebooks/32000
ER  -