TY  - GEN
AU  - Osterbrock, Donald E.
AU  - Ferland, Gary J.
TI  - Astrophysics of gaseous nebulae and active galactic nuclei
SN  - 978-1-891389-34-4
PY  - 2006///
CY  - New York
PB  - University Science Books
KW  - Astrophysics
KW  - Galactic nuclei
KW  - Nebulae
ER  -