TY  - BOOK
AU  - Le Bon,Gustave
AU  - Legge,F.
TI  - ... The evolution of forces
PY  - 1908///
CY  - London
PB  - K. Paul
KW  - Force and energy
KW  - Phosphorescence
KW  - Radioactivity
N1  - Includes index
ER  -