@misc{indiciaeda2967861e23,
  title = {On the identification of continuous vibrating systems modelled by hyperbolic partial differential equations},
  author = {Udwadia, F. E. and Garba, J. A.},
  year = {1983},
  url = {https://ntrs.nasa.gov/citations/19840035780},
  note = {Source identifier: 19840035780}
}