TY  - BOOK
AU  - Gregersen, Erik, ed.
TI  - the milky way and beyond: stars, nebulae, and other galaxies
SN  - 978-1-61530-024-2
PY  - 2010///
CY  - New York
PB  - Britannica
KW  - Galaxies
KW  - Nebulae
KW  - Stars
ER  -