TY  - BOOK
TI  - The plays and sonnets
PY  - 1987///
CY  - Chicago : 
PB  - Encyclopaedia Britannica, 
KW  - Ciencias Naturales
KW  - Harvey, Denise
KW  - Galileo Galilei, 1564-1642
KW  - Gilbert, William
ER  -