TY  - BOOK
AU  - Kahn, F. D
TI  - Quasars: their imporance in astronomy and physics
PY  - 1967///
CY  - Manchester
PB  - Manchester University Press
KW  -  Astronomy
KW  -  Galactic nuclei 
KW  - Astronomy and astrophysics thesaurus 
KW  - Quasars 
ER  -