TY  - BOOK
AU  - Books,Kestrel
TI  - The Penguin book of the physical world
SN  - 0140037136 :
U1  - 500 
PY  - 1976///
CY  - England
PB  - Penguin Books
KW  - Science
KW  - Electricity
KW  - Earth sciences
KW  - Nuclear physics
ER  -