TY  - BOOK
AU  - Asimov,Isaac
TI  - The universe : : from flat earth to quasar / 
U1  - 520 
PY  - 1971///
CY  - Harmondsworth, Middlesex : 
PB  - Penguin Books, 
KW  - Astronomia
KW  - Obras populares
ER  -