TY  - SER
AU  - Brittin, Wesley E.
AU  - Downs, B. W.
AU  - Downs, Joanne.
TI  - Lectures in theoretical physics
CY  - New York
PB  - Interscience Publishers.
KW  - Mathematical physics
N1  - Volume IV lectures delivered at the summer institute for theoretical physics, University of Colorado, Boulder, 1961
ER  -