@misc{indiciae08293cfcb67c,
  title = {Ground resonance analysis using a substructure modeling approach},
  author = {Chen, S.-Y. and Berman, A. and Austin, E. E.},
  year = {1984},
  url = {https://ntrs.nasa.gov/citations/19860026414},
  note = {Source identifier: 19860026414}
}