@misc{1149356,
  author = {David E Gilsinn and Hans J Hansen and Miguel Huerta-Garnica and E Clayton Teague},
  title = {Comparison of finite element and analytic calculations of the resonant modes and frequencies of a thick shell sphere:},
  year = {1991},
  month = {1991-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.IR.4568},
  language = {en},
}