TY  - BOOK
AU  - Osterbrock, Donald E
TI  - Astrolphysics of gaseous nebulae
T2  - A series of books in astronomy and astrophysics
SN  - 0-7167-0348-3
PY  - 1974///
CY  - San Francisco
PB  - W. H. Freeman
KW  -  Nebulae 
KW  -  Planetary nebulae
KW  - Astronomy and astrophysics thesaurus 
ER  -