TY  - BOOK
AU  - Kragh Helge
TI  - Dirac: a scientific biography
SN  - 0521380898
U1  - Cw3,N02, N0 
PY  - 1990///
CY  - New York    
PB  -  Cambridge University Press      
KW  -  Biography
KW  -  Great Britain
KW  - Physicists
ER  -