TY  - BOOK
AU  - Osterbrock,Donald E.
TI  - Astrophysics of gaseous nebulae and active galactic nuclei
SN  - 0-935702-22-9
PY  - 1989///
CY  - Sausalito
PB  - University Science Books
KW  - Radioastronomía
KW  - Material interestelar
KW  - interstellar matter
ER  -