TY  - BOOK
AU  - Schwinger,Julian Seymour
TI  - Particles and sources
AV  - QC721 .S443
U1  - 539.7/21 
PY  - 1969///]
CY  - New York
PB  - Gordon and Breach
KW  - Particles (Nuclear physics)
KW  - Electrodynamics
ER  -