TY  - BOOK
AU  - by J V Narlikar 
AU  - Narlikar, J V Author 
TI  - Seven wonders of the cosmos 
SN  - 0521638984 
U1  - 520, NAR  
PY  - 1999///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Astronomy and allied science
ER  -