@conference{1334351,
  author = {Kevin K F Wong},
  title = {Nonlinear Dynamic Analysis of Structures Using Modal Superposition},
  year = {2011},
  month = {2011-04-13 00:04:00},
  publisher = {Structures Congress 2011, Las Vegas, NV, US},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=907180},
  language = {en},
}