TY  - BOOK
AU  - Ryder,Lewis H.
TI  - Elementary particles and symmetries
SN  - 0677051301
U1  - 539.7/21 
PY  - 1975///
CY  - New York
PB  - Gordon and Breach Science Publishers
KW  - Particles (Nuclear physics)
KW  - Symmetry (Physics)
ER  -