TY  - BOOK
AU  - Osterbrock,Donald E.
TI  - Astrophysics of gaseous nebulae and active galactic nuclei
SN  - 0935702229
PY  - 1989///
CY  - Mill Valley, Calif.
PB  - University Science Books
KW  - Nebulae
KW  - Galactic nuclei
N1  - Includes bibliographies
ER  -