@misc{indiciae38477eb9f641, title = {High-frequency asymptotic methods for analyzing the EM scattering by open-ended waveguide cavities}, author = {Burkholder, R. J. and Pathak, P. H.}, year = {1989}, url = {https://ntrs.nasa.gov/citations/19900006787}, note = {Source identifier: 19900006787} }