TY  - BOOK
AU  - Galilei,Galileo
AU  - Drake,Stillman
AU  - O'Malley,C.D.
TI  - The controversy on the comets of 1618
U1  - 523.64 
PY  - 1960///
CY  - Philadelphia
PB  - University of Pennsylvania Press
KW  - Comets
KW  - Astronomy
KW  - Cosmology 1618
N1  - Includes index
ER  -