TY  - SER
AU  -  Moulton, Forest Ray, 
TI  -  An Introduction to Astronomy 
AV  - QB 
PY  - 2010///
PB  -  Project Gutenberg, 
KW  -  Astronomy
N1  -  Public domain in the USA;  Text
UR  -  http://www.gutenberg.org/ebooks/32000
ER  -