TY  - BOOK
AU  - Osterbrock, D. E.
TI  - Astrophysics of gaseous nebulae and active galactic nuclei
SN  - 1-891389-34-3
PY  - 2005///
CY  - California
PB  - University Science
KW  - Astrophysics
KW  - Galactic nuclei
KW  - Nebulae
ER  -