TY  - BOOK
AU  - Narlikar,Jayant Vishnu
TI  - Seven wonders of the Cosmos
SN  - 9780521638982
U1  - 520 
PY  - 1999///
CY  - Cambridge ; New York : 
PB  - Cambridge University Press, 
KW  - Astronomy
KW  -  Jayant Vishnu Narlikar
ER  -