@misc{indiciae99c944632791,
  title = {Before and after retrofit - response of a building during ambient and strong motions},
  author = {M. Çelebi and Huaibao P. Liu},
  year = {1998},
  doi = {10.1016/s0167-6105(98)00148-2},
  url = {https://pubs.usgs.gov/publication/70020742},
  note = {Source identifier: 70020742}
}