TY  - RPRT
TI  - An investigation of a ray-mode representation of the Green's function in a rectangular cavity 
AU  - Wu, D I
PY  - 1987
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 1312
DO  - 10.6028/NBS.TN.1312
ER  -