TY  - BOOK
AU  - Galilei,Galileo
TI  - Dialogue concerning the two chief world systems ptolemaic & copernican
AV  - QB 41 G35
PY  - 1933///
CY  - Berkeley, Calif.
PB  - University of California
KW  - Sistema solar
KW  - Astronomía -
KW  - Obras anteriores a 1800
ER  -