TY  - BOOK
AU  - Asimov,Isaac
TI  - Understanding physics / 
U1  - 530 
PY  - 1966///
CY  - London : 
PB  - George Allen & Unwin, 
KW  - Física
N1  - v. 1. Motion, sound, and heat --  v. 3. The electron, proton, and neutron
ER  -