TY  - BOOK
AU  - Freedman, Roger.
AU  - Kaufmann III, William J.
TI  - Universe
SN  - 0716746476
U1  - 523.1 
PY  - 2002///
CY  - New York
PB  - W.H. Freeman and Company
KW  - AstronomÃ­a
KW  - CosmologÃ­a
ER  -