TY  - RPRT
TI  - Electromagnetic Scattering from Arbitrarily Shaped Aperture Backed by Rectangular Cavity Recessed in Infinite Ground Plane
AU  - Cockrell, C. R.
AU  - Beck, Fred B.
PY  - 1997
UR  - https://ntrs.nasa.gov/citations/19970017399
ID  - 19970017399
ER  -