TY  - BOOK
AU  - Lewis, J. L. (John L.)
TI  - Radioactivity
SN  - 0582322065
U1  - 539.752 
PY  - 1980///
CY  - Hong Kong
PB  - Longman Group Ltd.
KW  - Physics
N1  - Radioactivity; 
Evidence from cloud chambers;
Electroscope and spark counter; 
The Geiger-muller tube;
X-rays; 
Half life;
Use of radioisotopes; 
Carbon dating; 
Uses in industry

ER  -