TY  - BOOK
AU  - Burbidge, Geoffrey
AU  - Burbidge, Margaret
TI  - Quasi-stellar objects
T2  - A series of books in astronomy and astrophysics
PY  - 1967///
CY  - San Francisco
PB  - W. H. Freeman
KW  - Astronomy and astrophysics thesaurus
KW  - External galaxies
KW  - Quasars
ER  -