@misc{indiciaea98b3b79aefe,
  title = {Method to estimate center of rigidity using vibration recordings},
  author = {Erdal Safak and Mehmet Çelebi},
  year = {1990},
  doi = {10.1061/(asce)0733-9445(1990)116:1(85)},
  url = {https://pubs.usgs.gov/publication/70016526},
  note = {Source identifier: 70016526}
}