TY  - BOOK
AU  - Igor Novikov 
TI  - Black holes and the universe
SN  - 9780521558709
U1  - 523.887 5 
PY  - 1992///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Blackholes
KW  - Universe
KW  - Astronomy
KW  - Science
N1  - Igor Novikov
ER  -