@misc{indiciaec8dcd11bc2bf,
  title = {Ground resonance analysis using a substructure modeling approach},
  author = {Chen, S. Y. and Austin, E. E. and Berman, A.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19860005812},
  note = {Source identifier: 19860005812}
}