@article{61676,
  author = {Ward Johnson and Paul Heyliger},
  title = {Symmetrization of Ritz Approximation Functions for Vibrational Analysis of Trigonal Cylinders},
  year = {2003},
  number = {113},
  month = {2003-04-01},
  publisher = {Journal of the Acoustical Society of America},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=851250},
  language = {en},
}