TY  - GEN
AU  - Silk,Joseph
TI  - A short history of the universe 
SN  - 0-7167-5048-1
U1  - 523.1 
PY  - 1994///
CY  - New York
PB  - Freeman
KW  - Astrophysics
KW  - Cosmology
KW  - Universe
KW  - Bok
ER  -