@misc{indiciae23fe70cc1e19,
  title = {Seismic response of transamerica building. II. System identification},
  author = {E. Safak and M. Çelebi},
  year = {1991},
  doi = {10.1061/(asce)0733-9445(1991)117:8(2405)},
  url = {https://pubs.usgs.gov/publication/70016645},
  note = {Source identifier: 70016645}
}